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A 20-Kg Block Starts from Rest on the Positive X Axis

Question 39

Multiple Choice

A 2.0-kg block starts from rest on the positive x axis 3.0 m from the origin and thereafter has an acceleration given by in m/s2.The torque, relative to the origin, acting on it at the end of 2.0 s is:


A) 0 N∙m
B) (-18 N∙m)
C) (+24 N∙m)
D) (-144 N∙m)
E) (+144 N∙m)

Correct Answer:

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