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This quiz consists of 5 multiple choice and 5 short answer questions through Part 1, The Mechanics of Movement.

Multiple Choice Questions

1. The rack and pinion is an example of ______________.
(a) A stifle.
(b) A wedge.
(c) A gear.
(d) A lever.

2. What controls the movement in a gear system?
(a) The inertia needed to be overcome.
(b) The size of the belt.
(c) The rotation of the gear.
(d) The size of the gear.

3. What does one have to understand in order to understand the way things work?
(a) The reason something is made.
(b) The function of something.
(c) The underlying principle.
(d) The terms of physics.

4. What is an example of a second-class lever?
(a) A nutcracker.
(b) An engine block system.
(c) A clock.
(d) A crane.

5. What is one component of a lever?
(a) A spring.
(b) A straight edge.
(c) A screw.
(d) A caliper.

Short Answer Questions

1. How many forces hold things together?

2. What is another type of wedge the author mentions?

3. Upon what principle does a pulley work?

4. What happens when you exert your strength across a longer distance?

5. What is the principle behind the action of any machine?

(see the answer key)

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