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

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

3. What does a driving force initiate?
(a) Electron activity.
(b) Movement.
(c) Work.
(d) Inertia.

4. What does the Mechanics of Movement explore?
(a) How the movement of anything can be either a net gain or net loss of energy.
(b) How the conservation of energy plays into movement, force, and effort.
(c) How pulleys can create energy.
(d) How pulleys ultimately lose energy that can never be regained.

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

Short Answer Questions

1. How does a zipper operate?

2. What does the inclined plane do?

3. What is one component of a lever?

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

5. What is the principle that states energy is neither created nor destroyed?

(see the answer key)

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