To Explain: The reason for bending the knees while jumping from a height to the ground.
Explanation of Solution
Introduction:
From Newton’s second law
Now, the definition of momentum
Acceleration
Then from Newton’s second law
Here, mass
Therefore, replacing the by momentum then net force become
The force equals the momentum divided by time. If there is larger time, then net force (
Chapter 9 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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