{"id":3697,"date":"2023-01-09T10:17:38","date_gmt":"2023-01-09T10:17:38","guid":{"rendered":"https:\/\/9thclass.deltapublications.in\/?page_id=3697"},"modified":"2025-08-19T09:38:16","modified_gmt":"2025-08-19T09:38:16","slug":"s-9-a-balanced-and-unbalanced-forces","status":"publish","type":"page","link":"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-a-balanced-and-unbalanced-forces\/","title":{"rendered":"S-9.a Balanced And Unbalanced Forces"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Balanced And Unbalanced Forces<\/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%\"><\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-826248903368f720704e494d1d4b442f\" style=\"color:#000060\"> <strong>Definition of Force<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-70-1024x559.png\" alt=\"\" class=\"wp-image-15062\" style=\"width:370px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-70-1024x559.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-70-300x164.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-70-768x419.png 768w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-70.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\"><strong>Force<\/strong> is a push or pull that acts upon an object. It can cause an object to start moving, stop moving, or change its speed or direction.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f013841780271f736c68d2c364bd022e\" style=\"color:#000060\"><strong>Balanced Forces<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"299\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-71.png\" alt=\"\" class=\"wp-image-15063\" style=\"width:371px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-71.png 600w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-71-300x150.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Balanced forces<\/strong> occur when the total force acting on an object is zero, resulting in no change in the object\u2019s motion.<\/li>\n\n\n\n<li>If an object is at rest, balanced forces will keep it at rest.<\/li>\n\n\n\n<li>If an object is moving, balanced forces will keep it moving at a constant velocity.<\/li>\n\n\n\n<li>Example: A book resting on a table experiences balanced forces. The downward gravitational force is balanced by the upward normal force from the table.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-39e9b29de8181678e957d86443f6d8ab\" style=\"color:#000060\"><strong>Unbalanced Forces<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"246\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/3f9cce1e-0988-49d7-b459-d19ea7a98515.png\" alt=\"\" class=\"wp-image-15066\" style=\"width:450px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/3f9cce1e-0988-49d7-b459-d19ea7a98515.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/3f9cce1e-0988-49d7-b459-d19ea7a98515-300x72.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/3f9cce1e-0988-49d7-b459-d19ea7a98515-768x185.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Unbalanced forces<\/strong> occur when the total force acting on an object is not zero, resulting in a change in the object\u2019s motion.<\/li>\n\n\n\n<li>Unbalanced forces can cause an object to start moving, stop moving, or change direction or speed.<\/li>\n\n\n\n<li>Example: Kicking a stationary soccer ball applies an unbalanced force, causing the ball to move.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f6c6ac570082437f5ca76678b4f3bdb5\" style=\"color:#000060\"><strong>Effects of Balanced and Unbalanced Forces<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Balanced forces do not change the motion of an object; the object remains in its current state of motion (either at rest or moving at a constant speed).<\/li>\n\n\n\n<li>Unbalanced forces change the motion of an object, causing acceleration (a change in velocity).<\/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:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113711.343-1024x579.png\" alt=\"\" class=\"wp-image-17313\" style=\"width:507px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113711.343-1024x579.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113711.343-300x170.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113711.343-768x434.png 768w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113711.343.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-bf484083ab161f7712540c4c8e4c5e85\" style=\"color:#000060\"><strong>Newton\u2019s First Law of Motion (Law of Inertia)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>An object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity unless acted upon by an unbalanced force.<\/li>\n\n\n\n<li>This law explains the relationship between balanced forces and the motion of objects.<\/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:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113843.444-1-1024x579.png\" alt=\"\" class=\"wp-image-17317\" style=\"width:536px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113843.444-1-1024x579.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113843.444-1-300x170.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113843.444-1-768x434.png 768w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T113843.444-1.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-012850a316123030b9166088bcd0ae16\" style=\"color:#000060\"><strong>Examples in Daily Life<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Balanced Forces<\/strong>: A hanging lamp, where the tension in the cable and gravity are balanced.<\/li>\n\n\n\n<li><strong>Unbalanced Forces<\/strong>: A car accelerating, where the engine provides a force greater than the opposing friction.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f0341465e8d43750557658a6959ee5b4\" style=\"color:#000060\"><strong>Identifying Balanced and Unbalanced Forces<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>To determine if forces are balanced or unbalanced, consider the net force (sum of all forces) acting on the object.<\/li>\n\n\n\n<li>If the net force is zero, the forces are balanced.<\/li>\n\n\n\n<li>If the net force is not zero, the forces are unbalanced.<\/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:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T114044.850-1024x579.png\" alt=\"\" class=\"wp-image-17318\" style=\"width:499px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T114044.850-1024x579.png 1024w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T114044.850-300x170.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T114044.850-768x434.png 768w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2025\/08\/Untitled-design-2025-08-12T114044.850.png 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">Let&#8217;s practice!<\/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\/76656\/439\/991\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-37.png\" alt=\"\" class=\"wp-image-6450\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-37.png 500w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-37-300x300.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-37-150x150.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\/77029\/916\/677\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-39.png\" alt=\"\" class=\"wp-image-6451\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-39.png 500w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-39-300x300.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-39-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Balanced And Unbalanced Forces Key Notes: Definition of Force Balanced Forces Unbalanced Forces Effects of Balanced and Unbalanced Forces Newton\u2019s First Law of Motion (Law of Inertia) Examples in Daily Life Identifying Balanced and Unbalanced Forces Let&#8217;s practice!<\/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-3697","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3697"}],"version-history":[{"count":19,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3697\/revisions"}],"predecessor-version":[{"id":17535,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3697\/revisions\/17535"}],"wp:attachment":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}