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Mini-Quiz: Modes of Friction

by Ron Kurtus

Take this Mini-Quiz to check your understanding of the lesson material.

1. When you push on a heavy object move why won't it move?

Some objects simply do not move

Your pushing force is less than the resistive force of friction

You are pushing in the wrong direction

2. Why is there a transition from the static to the kinetic modes?

The change in motion cannot be instantaneous

No one knows for sure

The transition follows the laws of relativity

3. What is kinetic friction sometimes called?

Moving static friction

Coefficient of friction

Dynamic friction

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Be conscientious in your work

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Mini-Quiz: Modes of Friction

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