Which of the following describes how the mechanical advantage of a simple machine affects the amount of force needed for work?
A.
By decreasing the distance over which the input force is applied, less force is needed to do the same amount of work.
B.
By increasing the distance over which the input force is applied, more force is needed to do the same amount of work.
C.
By increasing the distance over which the input force is applied, less force is needed to do the same amount of work.
D.
By decreasing the distance over which the input force is applied, more force is needed to do the same amount of work.
Answers: 2
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Which of the following describes how the mechanical advantage of a simple machine affects the amount...
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