How does a mechanic know that his wrench is exerting an unbalanced force on a bolt? A. the bolt begins to turn B. he feels pressure between his hand and the wrench C. the bolt does not move D. the wrench begins to bend
(2) Answers
I think the answer is A. because the bolt would not more unless there was unbalanced force acting upon it.
The answer would be A because the forces are balanced on B. C. and D. Something has to move in the process.
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