Mathematics, 04.02.2021 18:10 genyjoannerubiera
Explain the impact of planes and pulleys on work and force. Select the facts that are accurate.
1. planes and pulleys can decrease the level of work to move an object
2. planes and pulleys can decrease the level of force required to move an object
3. planes and pulleys can change the direction of applied force
4. planes and pulleys can increase the speed of completed work
Answers: 3
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Explain the impact of planes and pulleys on work and force. Select the facts that are accurate.
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