Q.

Due to the application of a force on a body of mass 100 kg that is initially at rest, the body moves with an acceleration of 20ms–2 in the direction of the force. Find the magnitude of the force.

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a

1000 N

b

4000 N

c

2000 N

d

3000 N

answer is B.

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Detailed Solution

from newton's second law of motion

F=ma

F=100x20=2000N

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