When a machine does work, a trade-off occurs. Which of the following best exemplifies this trade-off? A. A pulley changes the direction of your force, but requires a greater input force.

B. A lever increases output force and the distance the load moves.

C. A wheel and axle increases output force and the distance the load moves.

D. A ramp allows you to decrease force, but requires a greater distance.

A

A pulley changes the direction of your force, but requires a greater input force.

Explanation:

answer

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