Question

An object of mass 20 kg moves with a uniform speed of 15m/s . a constant force act upon it for 10 sec that imparts it speed of 10 m/s in the opposite direction. calculate the magnitude and direction of force

Answer 1

Explanation:

F=m.a

F=m.(v-u)÷t

F=20×(10-15)÷10

F=20×(-5÷10)

F= -10N

Hence,the force acts in opposite direction of motion with magnitude of 10N......

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