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Chapter overview
Study Energy through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
4738 MCQs and 3312 written prompts are ready for focused chapter work.
Topics
3
Recall
9
Cards
18
Topic 1
Energy makes work possible.
Topic 2
Lever, pulley, wheel and axle, inclined plane, screw, and wedge are simple machines.
Topic 3
First class: fulcrum between effort and load.
Chapter pack
Topic list
Topic 1
Energy is the ability to do work, and machines help transfer or use energy more conveniently.
Topic 2
Simple machines make work easier by changing force, distance, or direction.
Topic 3
Levers are grouped by the positions of fulcrum, load, and effort.
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