how much force acts on a body whose momentum is constant?plz explain this some body
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The answer is Zero. Force is defined as the change of momentum over time:
F = d(mv)/dt
If mv is constant:
F = mv(d1/dt)
derivative of a constant is zero
F = 0
F = d(mv)/dt
If mv is constant:
F = mv(d1/dt)
derivative of a constant is zero
F = 0
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Explanation:
force is rate of change of momentum so momentum is constant when force is zero
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