A body is acted upon by a force of 10 N and undergoes displacement in the direction of the force in accordance with the relation
S = 3t² + 2t
Where the units are SI. The rate at which the force is doing work at the instant t = 2 s is

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The Answer of A body is acted upon by a force of 10 N and undergoes displacement in the direction of the force in accordance with the relation S = 3t² + 2t Where the units are SI. The rate at which the force is doing work at the instant t = 2 s is A) 14 W B) 12 W C) 120 W D) 140 W E) 160 W

A Body Is Acted Upon by a Force of 10