{"id":3360,"date":"2022-12-13T06:34:53","date_gmt":"2022-12-13T06:34:53","guid":{"rendered":"https:\/\/4thclass.deltapublications.in\/?page_id=3360"},"modified":"2025-04-29T07:29:07","modified_gmt":"2025-04-29T07:29:07","slug":"s-13-a-force","status":"publish","type":"page","link":"https:\/\/4thclass.deltapublications.in\/index.php\/s-13-a-force\/","title":{"rendered":"s-13.a Force"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Force<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/force.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-869a5c0b6b78055316c8d0186252dcbd\" style=\"color:#74008b\"><strong>key notes :<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-83191844fd73696e2217333c7756889b\" style=\"color:#000060\"><strong>Definition of Force<\/strong><\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>A force is a push or a pull that can make an object move, stop, or change direction.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-512ac51201aaf33b26d15bd816b89589\" style=\"color:#000060\"><strong>Types of Forces<\/strong><\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li><strong>Contact Force<\/strong>: When an object is pushed or pulled through direct contact (e.g., kicking a ball).<\/li>\n\n\n\n<li><strong>Non-Contact Force<\/strong>: When an object moves without direct contact (e.g., gravity pulling an apple down).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-81dd38459419c0e88214e34a5d459423\" style=\"color:#000060\"><strong>Effects of Force<\/strong><\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Force can change the speed of an object (make it faster or slower).<\/li>\n\n\n\n<li>Force can change the direction of an object.<\/li>\n\n\n\n<li>Force can change the shape of an object (e.g., squeezing clay).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-b0dd8e2a5985f7da60bd5ecf3e1b0344\" style=\"color:#000060\"><strong>Examples of Force in Daily Life<\/strong><\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Pushing a door to open it.<\/li>\n\n\n\n<li>Pulling a drawer to close it.<\/li>\n\n\n\n<li>Lifting a book from the table.<\/li>\n\n\n\n<li>Gravity pulling us towards the ground.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-bd3a0765501bc5f736b3cee7160a4665\" style=\"color:#000060\"><strong>Measuring Force<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"360\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-83.png\" alt=\"\" class=\"wp-image-14419\" style=\"width:378px;height:auto\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-83.png 482w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-83-300x224.png 300w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/figure><\/div>\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Force is measured in units called <strong>Newtons (N)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-d9b388c3750dec15f03b68ddb6847444\" style=\"color:#000060\"><strong>Balanced and Unbalanced Forces<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-81.png\" alt=\"\" class=\"wp-image-14416\" style=\"width:520px;height:auto\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-81.png 1024w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-81-300x150.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-81-768x384.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li><strong>Balanced Forces<\/strong>: When forces on an object are equal, there is no change in motion (e.g., a book resting on a table).<\/li>\n\n\n\n<li><strong>Unbalanced Forces<\/strong>: When forces are unequal, they cause an object to move (e.g., pushing a toy car).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-e4e0dc0198dc3a1131b90e84c952376c\" style=\"color:#000060\"><strong>Gravity as a Force<\/strong><\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Gravity is a force that pulls objects towards the Earth.<\/li>\n\n\n\n<li>It is why things fall down when dropped.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-46f1bead5c131591ca906f05d7444952\" style=\"color:#000060\"><strong>Friction<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-84.png\" alt=\"\" class=\"wp-image-14420\" style=\"width:460px;height:auto\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-84.png 1024w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-84-300x150.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-84-768x384.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Friction is a force that slows down or stops moving objects when they rub against another surface.<\/li>\n\n\n\n<li>Examples include stopping a bike using brakes or rubbing hands together to create warmth.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-80dfa1d0d39db51ef9e9e8ff225296ab\" style=\"color:#000060\"><strong>Magnetic Force<\/strong><\/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=\"973\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-1024x973.png\" alt=\"\" class=\"wp-image-14418\" style=\"width:338px;height:auto\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-1024x973.png 1024w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-300x285.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-768x730.png 768w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-1536x1460.png 1536w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-2048x1946.png 2048w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-82-1568x1490.png 1568w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Magnets can push (repel) or pull (attract) objects made of iron or steel.<\/li>\n<\/ul>\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\/91225\/273\/381\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-8.png\" alt=\"\" class=\"wp-image-5668\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-8.png 500w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-8-300x300.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-8-150x150.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 is-resized\"><a href=\"https:\/\/wordwall.net\/play\/82537\/561\/212\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-8.png\" alt=\"\" class=\"wp-image-5669\" style=\"width:292px;height:auto\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-8.png 500w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-8-300x300.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-8-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Force key notes : Definition of Force Types of Forces Effects of Force Examples of Force in Daily Life Measuring Force Balanced and Unbalanced Forces Gravity as a Force Friction Magnetic Force 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-3360","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3360"}],"version-history":[{"count":19,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3360\/revisions"}],"predecessor-version":[{"id":15204,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3360\/revisions\/15204"}],"wp:attachment":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}