Question

A body of mass 1000 kg moving at a speed of 10 m/s reaches the speed of 50 m/s in 20 s.Calculate the force required to do so.

Answer 1

Answer:

Mass of a body= 1000 kg

Initial velocity=10 m/s

Final velocity=50 m/s

Therefore, Velocity=50-10 =40 m/s

Time=20 secs

Therefore, Displacement=40/20=20 m

Thus,

Force= 1000 kg × 20 =20000 N

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