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MHT CET Physics question

PhysicsLaws of MotionMHT CET

A constant force acting on a body of mass 3.0 kg changes its speed from 2.0 m/s to 3.5 m/s in 25 s. The direction of motion of the body remains unchanged. What is the magnitude and direction of the force?

Answer: (A)

Solution

Acceleration , so N, directed along the motion because the speed increases; (b) and (d)

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Question ID VK-062356