Q.

A constant force acts on a body of mass 20 kg and produces in it an acceleration of 0.2 m s–2. Calculate the magnitude of force acting on the body.

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a

2 N

b

3 N

c

4 N

d

1 N

answer is D.

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Detailed Solution

Given Mass = 20 kg

a = 0.2 m s−2

Force = mass × acceleration

F = ma

F = (20 kg) × (0.2 m s−2) = 4 N

Thus, the magnitude of force acting on the body is 4 N

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