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NIKHIL GARG Grade: 12
        


If you jump a barefooted on a hard surface, your legs get injured. But they are not injured if you jump on a soft surface like sand or pillow. Explain.  

7 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

force(dt) = impulse


force =impulse/dt  0r m(v-u)/dt


finally body comes to rest in both cases  but in  hard surface change in momentam occures in a very small time so the force exerted by body is maximum and we get hurted ..........

7 years ago
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