Work is done on a system when:, A force moves an object over a distance., Energy does not change., A force keeps an object from moving., None of these, Simple machines are: , Found in nature., Made by humans., All of these, none of these, Simple machines amplify work by:, Using smaller force over larger distances., Using bigger forces over smaller distances., Changing the direction that a force pushes or pulls., All of these, Which of these is NOT a simple machine?, inclined plane, lever, handle, pulley, Simple machines can be combined together to make:, Complete machines, Complex machines, Simpler machines, Multiple machines.
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Simple Machines
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Mslwscience
G7
Science
Forces and motion
Energy and energy transfer
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