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Mini-Quiz: Increasing Distance Moved with a Lever

by Ron Kurtus (revised 23 June 2016)

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

1. What is an advantage of using a Class 3 lever to lift an object to some height?

The output height or distance can be greater than the input distance.

You exert more force by pushing down

You can lift heavier loads

2. What is DO/DI equal to?

The length of the load arm

125 m

Distance mechanical advantage

3. If the input arm is 1 meter long and the output arm is 2 meters long, how much must the effort move to lift the load 2 m?

2 m

1 m

0.5 m

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

Lift yourself up to great heights

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