A unidirectional force F varying with time t as shown in the figure acts on a body of mass 1 kg initially at rest, for a short duration 0.2 sec. Then the velocity acquired by the body is

10 m/s

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-10 m/s

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20 m/s

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0 m/s

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Solution

The correct option is D 0 m/s
Change in momentum = Area under the F - t graph.

As the net area under the graph is zero, the change in momentum is also zero.

Given that the body starts from rest, so the final velocity will be zero as there is no change in momentum.

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A unidirectional force F varying with time t as shown in the figure acts on a body of mass 1 kg initially at rest, for a short duration 0.2 sec. Then the velocity acquired by the body is

The correct option is D 0 m/sChange in momentum = Area under the F - t graph. As the net area under the graph is zero, the change in momentum is also zero. Given that the body starts from rest, so the final velocity will be zero as there is no change in momentum.

The correct option is D 0 m/s
Change in momentum = Area under the F - t graph.

As the net area under the graph is zero, the change in momentum is also zero.

Given that the body starts from rest, so the final velocity will be zero as there is no change in momentum.