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Introduction to Physics | Week 14 Topics1 Quiz
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Measurement I | Week 23 Topics1 Quiz
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Measurement II | Week 36 Topics1 Quiz
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Motion | Week 45 Topics1 Quiz
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Velocity-Time Graph | Week 54 Topics1 Quiz
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Causes of Motion | Week 65 Topics1 Quiz
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Work, Energy & Power | Week 73 Topics
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Energy Transformation / Power | Week 83 Topics1 Quiz
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Heat Energy | Week 95 Topics1 Quiz
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Linear Expansion | Week 107 Topics1 Quiz
Topic Content:
What is Energy?
Energy is the ability to do work. It is a scalar quantityA scalar quantity is a quantity that does not depend on direction. It can also be defined as a quantity with magnitude only. Examples of Scalar Quantities include area, density, distance,... More and is always measured in JoulesJoule is the SI (International System of Units) unit of energy and work. It is equal to the amount of work done when a force of 1 newton displaces a mass... More.
There are different forms of energy and these include:
Chemical Energy: This is energy stored in the chemicals, used as food or as chemicals in giving light energy. It ...
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