Exam 2 Problems
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To reduce the force felt by an object during a collision, one must:
increase the time over which the impulsive force acts
A baseball player is hit by a ball thrown at him. He doesn't catch the ball and it hits him. What situation would hurt most?
the ball bounces off the player back towards where the ball came from
The brakes on a small car go out and it can't stop on its own. A large trucks sees what is happening and gets in front of hte car, letting the car bump into it. The truck then uses its brakes to slow the car down to a stop. What is true about the forces?
the force of the truck pushing against the car is equal to that of the car pushing back against the truck
