

MCQOPTIONS
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1. |
IN_THE_EXPLANATION_OF_THE_THEORY_OF_FRICTION,_THE_BLOCK_USED_TO_HAVE_AN_ASSUMPTION._THAT_IS_THE_UPPER_PORTION_OF_THE_BLOCK_IS_CONSIDERED_TO_BE_RIGID.?$ |
A. | True |
B. | False |
Answer» C. | |