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Mini-Quiz: Starting Rolling Motion

by Ron Kurtus

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

1. Why should you accelerate your car slowly when on slippery pavement?

You don't want the torque to be greater than the low static friction

The law states that you are required to start slowly or you will be ticketed

The friction is much higher on slippery pavement, making it dangerous

2. Where is the best place to push on a wheel to get it rolling in that direction?

Near the top

Near the bottom

You can't make it roll by pushing

3. When you push on a wheel on pavement, why does it start rolling?

No, they only work in mud

Static sliding friction between the wheel and the pavement causes it to tilt on its pivot point

No one is really sure, since it never has been tried

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.

Get things rolling

Resources and references

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Friction topics

Mini-Quiz: Starting Rolling Motion

Friction topics


Sliding friction

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