Compare the collision between two balls and the floor. Case A: A sad ball collides the floor moving at 2 m/s and stops.
Case B: A happy ball with the same mass collides with the floor moving at 2 m/s
and rebounds upward at 1 m/s.
The collision time is the same for each case.
Case A
Case B
Before
After
Before
After
Which variable is different for these two cases?
Which Case involves the greatest momentum change?
Which Case involves the greatest impulse?
Which Case involves the greatest force?
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