{"id":3959,"date":"2023-01-09T10:42:16","date_gmt":"2023-01-09T10:42:16","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3959"},"modified":"2025-08-13T08:07:38","modified_gmt":"2025-08-13T08:07:38","slug":"s-12-b-factors-affecting-friction","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-12-b-factors-affecting-friction\/","title":{"rendered":"s-12.b Factors Affecting Friction"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Factors Affecting Friction<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gz0VxQxpTps?rel=0&#038;si=JTcvWzc-vDoNHcJH\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n<\/div>\n<\/div>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"338\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/image-34.png\" alt=\"\" class=\"wp-image-11833\" style=\"width:502px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/image-34.png 589w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/09\/image-34-300x172.png 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-28d136ae4331e7eb05ec8e1cb71ebcde\" style=\"color:#74008b\">key notes :<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-1a7176dad56a1ebc4ad8683787b4e681\" style=\"color:#000060\"><strong>Introduction to Friction:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Friction is the force that opposes the motion of an object when it comes into contact with another object.<\/li>\n\n\n\n<li class=\"has-large-font-size\">It is caused by the roughness of the surfaces in contact and the interactions between their molecules.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-2d4b37b07224bf45e636aefa762843fe\" style=\"color:#000060\"><strong>Factors Affecting Friction:<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>1<\/strong>.<strong>Nature of Surfaces:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The roughness or smoothness of surfaces affects friction.<\/li>\n\n\n\n<li>Rough surfaces generate more friction than smooth ones.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102303.354-1024x579.png\" alt=\"\" class=\"wp-image-21037\" style=\"width:451px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102303.354-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102303.354-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102303.354-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102303.354.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-large-font-size\"><strong>2<\/strong>.<strong>Force Pushing the Surfaces Together (Normal Force):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">The greater the force pushing two surfaces together, the greater the friction.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102637.975-1024x579.png\" alt=\"\" class=\"wp-image-21039\" style=\"width:435px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102637.975-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102637.975-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102637.975-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T102637.975.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Friction is directly proportional to the normal force.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>3<\/strong>.<strong>Type of Friction:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">There are two main types of friction: static friction (when objects are not moving) and kinetic friction (when objects are in motion).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103022.215-1024x579.png\" alt=\"\" class=\"wp-image-21040\" style=\"width:427px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103022.215-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103022.215-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103022.215-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103022.215.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Kinetic friction is usually greater than static friction for the same surfaces.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>4.Surface Area in Contact:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Increasing the surface area in contact between two objects can increase friction.<\/li>\n\n\n\n<li>For example, wider tires on a car provide more friction with the road.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103321.988-1024x579.png\" alt=\"\" class=\"wp-image-21043\" style=\"width:543px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103321.988-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103321.988-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103321.988-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103321.988.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-large-font-size\"><strong>5.Temperature:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Temperature can affect friction. In some cases, increasing temperature can reduce friction.<\/li>\n\n\n\n<li>For example, icy surfaces have lower friction compared to dry ones.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103901.935-1024x579.png\" alt=\"\" class=\"wp-image-21046\" style=\"width:435px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103901.935-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103901.935-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103901.935-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T103901.935.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-large-font-size\"><strong>6.Lubrication:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Adding a lubricant, like oil or grease, can reduce friction by making surfaces smoother.<\/li>\n\n\n\n<li>Lubricants create a barrier between surfaces, allowing them to slide more easily.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104241.928-1024x579.png\" alt=\"\" class=\"wp-image-21047\" style=\"width:438px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104241.928-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104241.928-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104241.928-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104241.928.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-large-font-size\"><strong>7.Weight of the Object:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The weight of an object can affect friction.<\/li>\n\n\n\n<li>Heavier objects may experience more friction due to their increased normal force.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104537.402-1024x579.png\" alt=\"\" class=\"wp-image-21049\" style=\"width:506px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104537.402-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104537.402-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104537.402-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104537.402.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-large-font-size\"><strong>8.Material of the Objects:<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">The material of the objects in contact also affects friction.<\/p>\n\n\n\n<p class=\"has-large-font-size\">Some materials, like rubber on road surfaces, provide more friction than others.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>9.Motion of the Objects:<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">The relative motion between two objects affects friction.<\/p>\n\n\n\n<p class=\"has-large-font-size\">Friction opposes the direction of motion, so the force required to maintain motion is different from the force required to start it.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104800.617-1024x579.png\" alt=\"\" class=\"wp-image-21052\" style=\"width:474px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104800.617-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104800.617-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104800.617-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T104800.617.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-1149c06bdc4aaded6b9688b7cfd6c320\" style=\"color:#000060\"><strong>Applications of Friction:<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">Friction is essential in daily life and has various applications, including:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Helping vehicles stop by providing brake friction.<\/li>\n\n\n\n<li>Allowing us to walk without slipping.<\/li>\n\n\n\n<li>Gripping surfaces for climbing.<\/li>\n\n\n\n<li>Writing with a pencil on paper.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T105457.353-1024x579.png\" alt=\"\" class=\"wp-image-21055\" style=\"width:433px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T105457.353-1024x579.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T105457.353-300x170.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T105457.353-768x434.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T105457.353.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-b776b8e9dd81a39ab65baf067d1f8fff\" style=\"color:#000060\"><strong>Conclusion:<\/strong> <\/p>\n\n\n\n<p class=\"has-large-font-size\">Understanding the factors affecting friction is crucial in designing various systems and solving real-world problems. It plays a significant role in the functioning of machines, transportation, and our everyday activities.<\/p>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/77129\/885\/502\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-113.png\" alt=\"\" class=\"wp-image-7864\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-113.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-113-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-113-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/61407\/220\/796\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-112.png\" alt=\"\" class=\"wp-image-7865\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-112.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-112-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-112-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Factors Affecting Friction key notes : Introduction to Friction: Factors Affecting Friction: 1.Nature of Surfaces: 2.Force Pushing the Surfaces Together (Normal Force): 3.Type of Friction: 4.Surface Area in Contact: 5.Temperature: 6.Lubrication: 7.Weight of the Object: 8.Material of the Objects: The material of the objects in contact also affects friction. Some materials, like rubber on road<a class=\"more-link\" href=\"https:\/\/8thclass.deltapublications.in\/index.php\/s-12-b-factors-affecting-friction\/\">Continue reading <span class=\"screen-reader-text\">&#8220;s-12.b Factors Affecting Friction&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3959","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3959"}],"version-history":[{"count":24,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3959\/revisions"}],"predecessor-version":[{"id":21165,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3959\/revisions\/21165"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}