The effort needed when a simple machine is used is best described by which of these statements?
a)
the effort force is always smaller than the force needed without the machine.
b)
the effort force is always greater than the force needed without the machine.
c)
the effort force is most often smaller than the force needed without the machine.
d)
the effort force is most often greater than the force needed without the machine.
Answers: 1
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The effort needed when a simple machine is used is best described by which of these statements?
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