If you wear kneepads while skating, it will take 3 times as long for you to come to rest when you fall and land on your knees. How does this affect the impulse applied to your knees when you fall?

Question

anonymous · Answer

Impulse is the integral of force over a given time.

The longer the time, the larger the impulse.

In this case, if it takes 3 times as long to fall, then the impulse is 3 times larger.

anonymous · Answer

impulse does not change