Question

How can a simple machine make it easier to lift a refrigerator?

Select one:
a. It reduces the total amount of work needed to lift a refrigerator.
b. It reduces the force needed to lift the refrigerator.
c. It reduces the distance needed to move the refrigerator.
d. It increases the force needed to lift the refrigerator. ​

Answer 1

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The Correct choice is A

It reduces the total amount of work needed to lift a refrigerator