What is the momentum versus velocity graph is like, when mass is fixed ?
A
Straight line
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B
Exponential curve
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C
Parabola
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D
Circle
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Solution
The correct option is B Straight line Momentum (Linear momentum) for moving body is defined as the product of mass and velocity. If a body is moving with velocity, v and having mass, m then momentum of body is p =m×v. SI unit of momentum (p) is kgms−1. F=dpdt F=m(v2−v1) Hence nature of graph will be straight line.