{"id":88,"date":"2017-02-20T00:00:00","date_gmt":"2017-02-20T00:00:00","guid":{"rendered":"https:\/\/thepiquelab.com\/blog\/2017\/02\/20\/beginner-guide-elastic-potential-energy\/"},"modified":"2024-04-18T15:00:52","modified_gmt":"2024-04-18T07:00:52","slug":"beginner-guide-elastic-potential-energy","status":"publish","type":"post","link":"https:\/\/thepiquelab.com\/blog\/beginner-guide-elastic-potential-energy\/","title":{"rendered":"A Beginner’s PSLE Science Guide To Elastic Potential Energy"},"content":{"rendered":"

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In today\u2019s article, I will be focusing on another type of potential energy \u2013 Elastic Potential Energy<\/span><\/a>.<\/p>\n

\n

\u201cWhere can Elastic Potential Energy<\/strong> be commonly found?\u201d<\/p>\n<\/blockquote>\n

The answer that most students would give is, “Elastic Potential Energy<\/strong> can be found commonly in springs or rubber bands”.<\/p>\n

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Read Also<\/h2>\n
    \n
  1. Ultimate Science Practice Series: Energy (Practice Questions & Explainer Videos)<\/a><\/li>\n
  2. A Beginner\u2019s PSLE Science Guide To Gravitational Potential Energy<\/a><\/li>\n
  3. What Your Child Needs To Know About Energy Conversion<\/a><\/li>\n<\/ol>\n<\/blockquote>\n

    However, there is a misconception in this answer. Before I elaborate on this, let me clarify some commonly asked questions.<\/p>\n

    \n

    \u201cDoes this mean that a rubber band or a spring that is lying on the table possess elastic potential energy?\u201d<\/p>\n

    \u201cWould a rubber band or a spring that is lying on the table move by itself?\u201d<\/p>\n<\/blockquote>\n

    The answer to both of the above questions is \u201cNo<\/strong>\u201d. A rubber band or a spring that is lying on the table does not possess elastic potential energy and is unable to move by itself unless a force is applied to it<\/em>.<\/p>\n

     <\/p>\n

    An Accurate Answer To This Question<\/span><\/h2>\n
    \n

    \u201cElastic potential energy can be commonly found in stretched or compressed<\/u> springs and stretched <\/u>rubber bands\u201d.<\/strong><\/span><\/p>\n<\/blockquote>\n

    The key words are \u201cstretched\u201d<\/span> and \u201ccompressed\u201d<\/span>.<\/p>\n

    Only objects that are stretched or compressed possess elastic potential energy. The more stretched or compressed the object is, the greater the amount of elastic potential energy possessed by the object.<\/p>\n

    When the stretched or compressed object is released, the elastic potential energy that is possessed by the object would be converted to kinetic energy<\/a>, causing the object to move forward.<\/p>\n

    Now that we’ve clarified this misconception, let us now apply the correct concepts to the question below.<\/p>\n

     <\/p>\n

    Question<\/span><\/h2>\n

    \"\"<\/p>\n

    PHPS\/2014\/P6\/SA2\/Q43<\/em><\/p>\n

    In this question, the man is participating in a sport known as pole vaulting<\/span>.<\/p>\n

    The man will carry a long pole at Point A and run towards Point B. At Point B, he will use the long pole to lunge up in the air, before crossing the bar at Point D. Before we answer the question accurately<\/a>, let us analyse the type of energy possessed by the man at Point B and Point D.<\/p>\n

    Since the man ran towards Point B, the man possesses kinetic energy at Point B. At Point D, the man was hoisted in the air and cross over the bar placed at a height above the ground. Therefore, he possesses gravitational potential energy<\/a> at Point D.<\/p>\n

    Watch this video to see pole vaulting in action:<\/span><\/p>\n