Ch. 3
Review Sheet
1.
2.
3.
4.
5.
6.
7.
Describe the three classifications of levers.
What are the components of a lever?
Give an anatomical example of a first class lever.
Give an anatomical example of a second class lever.
Give an anatomical example of a third class lever.
Coach Freeman is named after a ____________ class lever.
How does the length of the resistance arm affect the amount
of force necessary to move an object?
8. How do you determine the mechanical advantage of wheels
and axes?
9. Explain Newton’s first law of motion. Give an example
using sports.
10.
Explain Newton’s second law of motion. Give an
example in sports.
11.
Explain Newton’s third law of motion. Give an
example in sports.
12.
What is friction? How do we depend on friction in
athletics? How can a lack of friction result in injury?
13.
The lower the ___________ the higher the stability.
14.
Forces are either _________ or ____________.
15.
Force equals __________ times _______________.