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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.


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.  

Grade:12

1 Answers

vikas askiitian expert
509 Points
12 years ago

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 ..........

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