Impulse an Impulsive Forces

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According Newton's Second Law of Motion - Force can be expressed as

F = dM / dt         (1)

where

F = applied force (N, lb_f)

dM = change of momentum (kg m/s, lb ft/s)

dt = time taken (s)

Forces that act for a very short time are called impulsive forces. The product of the impulsive force and the time it acts is called the impulse. The impulse is equal to the change of momentum caused by the impulsive force and can be expressed as

I = F dt = dM         (2)

where

I = impulse (N s)

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Related Topics

• Dynamics - Dynamics Motion - velocity and acceleration
• Mechanics - Kinematics, forces, vectors, motion, momentum, energy and the dynamics of objects

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