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JAMB Physics 2018 Paper

Question : 56

Total: 87

The product of force and time is?

Solution:

Concept:

The product of force and time measures the change in momentum caused by the force.

Explanation:

From Newton's second law, force equals rate of change of momentum:

F = \frac{\Delta p}{\Delta t}

Rearranging gives:

F \cdot \Delta t = \Delta p

So force multiplied by time is called impulse.

Impulse is also equal to the change in momentum of the object.

Answer:

Option A. Impulse.

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