An object of mass 5 kg is moving with a velocity of 10 ms". A force is applied so that in
15 s, it attains a velocity of 25 ms"!. What is the force applied on the object?
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Explanation:
Answer :
Force=mass acceleration, acceleration=(change in velocity)/time
interval
Initial velocity=10m/s
Final velocity=25m/s Time interval=20s
Therefore, acceleration=(25-10)/20
=0.75m/s2
Force=massxacceleration
=5x0.75
=3.75N
__________
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