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

2. How many types of gears are there?
(a) Four.
(b) One.
(c) Five.
(d) Seven.

3. What do you have to use in order to accomplish work with half the effort?
(a) One-third the distance.
(b) Twice the distance.
(c) Half the distance.
(d) Ten percent of the distance multiplied by one-third of the effort.

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

5. How does a wedge move an object up an inclined plane?
(a) It doesn't ; the wedge moves the plane itself to raise an object.
(b) It forces the object to reduce the effects of gravity.
(c) It uses the effect of gravity.
(d) It lowers the plane so the object slides.

Short Answer Questions

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

2. What does a driving force initiate?

3. How does a zipper operate?

4. What is the formula for work done?

5. What does the picture of a mammoth pulling a merry-go-round illustrate?

(see the answer key)

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