Question

A body of mass 1 kg is kept at rest. A constant force of 6.0 N starts acting on it. Find the time taken by the body to move through a distance of 12 m.

Answer 1

m = 1 kg

f = 6 N

S = 12 m

u = 0 m/s ( the object is at rest )

f = m * g

6 = 1 * g

g = 6 m/s^2

by Newton's second law ------->

S = ut + 1/2 * gt^2

12 = 0 * t + 1/2 * 6 * t^2

12 = 3 * t^2

12/3 = t^2

4 = t^2

t = 2 second

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