one of the effect of a force is to change the momentum define the quantity related to this and explain it for a variable force usually when do we define it instead of using the force
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one of the effect of a force is to change the momentum define the quantity related for a variable force usually when do we define it instead of using the force
A: Force is a measure of the change of momentum over time. It can be written as F mass x change in velocity / time. In practical terms, the momentum of an object increases when a force is acting upon it, because the force is causing it to accelerate, and to have an increase in velocity.
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Note that if p = mv and m is constant, then F = dp/dt = m*dv/dt = ma. On the other hand, you can also say that the change in momentum is equal to the force multiplied by the time in which it was applied (or the integral of force with respect to time, if the force is not constant over the time period).
Explanation:
A: Force is a measure of the change of momentum over time. It can be written as F = mass x change in velocity / time. In practical terms, the momentum of an object increases when a force is acting upon it, because the force is causing it to accelerate, and to have an increase in velocity.
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