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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. What happens when you exert your strength across a longer distance?
(a) Your effort is reduced, and your lesser strength becomes sufficient.
(b) Nothing happens. It is all balanced by the decreased work required.
(c) Your effort is reduced so you can take advantage of your greater strength.
(d) Your effort is reduced, but your strength has to be increased.

2. What is the most common form of inclined plane found in machines?
(a) The pully.
(b) The wedge.
(c) The rods.
(d) The rocker.

3. What is one example the author uses of a wedge?
(a) An escalator.
(b) A type of door stop.
(c) A block and tackle system.
(d) A ship's ramp.

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

5. What is the principle that states energy is neither created nor destroyed?
(a) The principle of the conservation of energy.
(b) The principle of energy loss.
(c) The principle of energy change.
(d) The principle of energy gain.

Short Answer Questions

1. What does one have to understand in order to understand the way things work?

2. What controls the movement in a gear system?

3. What is the formula for work done?

4. What does the Mechanics of Movement explore?

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

(see the answer key)

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