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# Mini-Quiz: Resistive Force

by Ron Kurtus (revised 27 September 2015)

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

1. What happens when the friction force is greater than the applied force on an object?

The object cannot move forward

It is impossible for friction to be greater than the applied force

The object will move backwards

2. What happens to air resistance as an airplane increases its speed?

Air resistance is independent of the speed of the airplane

The air resistance changes directions

The air resistance increases as the square of the speed

3. What happens when a boat is in a moving river?

The fluid resistance prevents the boat from moving

The fluid resistance acts as an applied force on the boat, moving it in the direction of the flow

The boat can easily tip over

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 observant

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