Third-Class Levers quiz -anna

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-----------------------------------THIRD-CLASS LEVERS - QUIZ----------------------------------------------------------


1. The center of a third-class lever is called:

a) load/output
b) effort/input
c)fulcrum
d) lever

2. How can you use the least amount of force to move the load.

a) make the load/output arm longer
b) make the effort/input arm longer

3. Which is NOT a third-class lever?

a) throwing a ball, with your elbow as the fulcrum
b) tweezers
c) catapult
d) baseball bat

4. What type of lever is a hockey stick?

a) class 1
b) class 2
c) class 3
d) none of the above. It is not a lever.

5. The Ideal Mechanical Advantage (IMA) of a class 3 lever is:

a) equal to 1
b) smaller than 1
c) greater than 1
d) it has no ideal mechanical advantage

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