Multiple Choice
Causing an object to start moving on a frictional surface requires
A) less force than is needed to keep it moving on the surface.
B) the same force as is needed to keep it moving on the surface.
C) more force than is needed to keep it moving on the surface.
D) a force equal to the weight of the object.
E) a force opposite to the normal force.
Correct Answer:

Verified
Correct Answer:
Verified
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