A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force
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Question:
A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30? belowthe horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he
needs to start the crate moving is:
A). 44N
B). 47N
C). 54N
D). 56N
E). 71N
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