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Question

Why does one get hurt jumping from a great height to the floor?


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Solution

Momentum:

The quantity of motion of a moving body is measured as a product of its mass and velocity. According to Newton's second law of motion, the force applied is directly proportional to the rate of change in momentum.

Mathematically, momentum can be represented as:

p=mv

Here,

p is the momentum.

m is the mass.

v is the velocity.

The reason why one gets hurt jumping from a great height to the floor:

  1. On jumping from a considerable height, one achieves a higher velocity before landing.
  2. It is understood that momentum is directly proportional to both mass and velocity. So, the increase in velocity increases the momentum also.
  3. Because of higher momentum, if one jumps from a higher height, more force is necessary to bring one to a stop.

Therefore, one injures oneself when one jumps from a higher vantage point.


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