![]() ![]() When a variable force acting for a short interval of time, then the impulse can be measured as, The impulse of a force therefore can be visualized as the area under the force versus time graph as shown in Figure. The impulse of force F acting over a time interval t is defined by the integral. The impulse J of a constant force F acting for a time t is defined as the product of the force and time. In other words, it is the transform of momentum the force causes in anybody. Impulse of a force is the force multiplied by the duration of time for which it acts. ![]() What is the impulsive force acting on the car during the crash? The car hits a street lamp and is stopped in 0.05 seconds. We call that force, an impulsive force.Ī car of mass 1000kg is traveling with a velocity of 25 m/s.
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