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Chapter overview
Study Energy through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
4382 MCQs and 2192 written prompts are ready for focused chapter work.
Topics
2
Recall
6
Cards
12
Topic 1
Energy cannot be created or destroyed; it changes form.
Topic 2
Work = force x displacement in the direction of force.
Chapter pack
Topic list
Topic 1
Energy is the capacity to do work. It appears in many forms and changes from one form to another while total energy is conserved.
Topic 2
Work is done when a force causes displacement. Power is the rate of doing work, and simple machines make work easier by changing force or direction.
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