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The net force acting on a particle movin...

The net force acting on a particle moving along a straight line varies with time as shown in the diagram. Force is parallel to velocity. Which of the following graph is best representative of its speed with time? (Initial velocity of the particle is zero)

A

B

C

D

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The correct Answer is:
A
The force ………….
For first half acceleration is increasing and for next half acceleration is decreasing.
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