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Standard XII

Physics

Impulsive Forces in Collision

The graph bel...

Question

The graph below shows the momentum of an object with respect to time. The object is initially travelling in the positive direction. Which section has the greatest magnitude of force acting on the object?

1

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2

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5

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2

3

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3

5

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Solution

The correct option is C $2$ & $3$
Force in a momentum-time graph is given by the slope of momentum graph with time axis .
We can see in the given graph that the slope is maximum in region 2 and 3 , therefore magnitude of force is maximum in region 2 and 3 , though the region 2 represents a negative force , but we are going only for the magnitude of force .

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