A force acting on a body causes a change in the momentum of the body from 12kgms-1 to 16kgms-1 in 0.2s. calculate the magnitude of the force

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A. 140.0N
B. 20.0N
C. 4.0N
D. 0.8N

Correct Answer: Option B

B. 20.0N

Explanation

F = (mv−mu)/t

=(16−12)/0.2

=20N

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