1. A body of mass 5 Kg is moving with a uniform velocity of 10 m/s. It is acted uponby a force of 20 N. What will be its velocity after 1s? Ans-14m/s2. A force of 100 N acting on a certain mass for 4s gives it a velocity of 20 m/s. Find themass of the body if the body was initially at rest. Ans-20Kg3. A force of 10 N produces an acceleration of 20 m/s2 on a mass m1 and an accelerationof 30 m/s2 on a mass m2. What acceleration would the same force provide if both themasses are tied together? Ans-12m/s24. A body of mass 2 Kg is kept at rest. A constant force of 6N starts acting on it. Findthe time taken by the body to move through a distance of 54m. Ans-6s5. The velocity of a particle of mass 500g changes from 16 m/s to 24 m/s in fourseconds. Assuming that a constant force acts on it find the magnitude of the force.Ans-1N6. A motor car of mass 250 Kg is moving with a certain velocity. It is brought to rest bythe application of brakes, within a distance of 18 m when the average resistance beingoffered to it is 1000N. What was the velocity of the motor car? Ans-12m/s7. A body of 10 Kg is moving with the velocity of 5 m/s. Find the momentumassociated with the ball. Ans-50kg m/s8. How much force is needed to produce an acceleration of 20 m/s2 in a body of mass500 g? Ans-10N9. A body of mass 2 Kg is moving with the velocity of 12 m/s. Find the momentum ofthe body. Ans-24 kg m/s10. A body of mass 4 Kg undergoes a change in speed from 30 m/s to 40 m/s. Calculateincrease in momentum. Ans- 40 kg m/s11. How much force is needed to produce and exhilaration of 2.5 m/s2 in a body of mass4.0 Kg? Ans-10 N12. A force of 100N acts on a particle of mass 25 Kg. Find the acceleration of theparticle. Ans-4 m/s213. A force of 40 N acts on the most in 5 Kg fo 2s. Find the velocity acquired by thebody. Ans-16 m/s14. A body of mass 2.5 Kg undergoes a change of velocity 10 m/s in 5s. What is theforce acting on it? Ans-5N15.A force of 12N acts on a mass of 1.5 Kg at rest for 3s. Find the final velocity and themovement of the body after 3s. Ans-24 m/s, 36 Kg m/s16. A force of 20 N acting certain mouse for 2s gives it a velocity of 10 m/s. Find themass of the body if the body was initially at rest. Ans-4Kg17. The velocity of a particle of mass 250 g changes to 10 m/s to 16 m/s in 3s. Assumingthat a constant force acts on it, find the magnitude of the force. Ans-0.5N18. A Force of 6N acts on a body of mass 1.5 Kg for 2.0 s.Assuming the body to beinitially at rest find:A) its velocity when the four stops acting,B) the distance covered in five seconds after the force starts acting. Ans- 8 m/s 32 m​