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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 lever.
(b) A stifle.
(c) A gear.
(d) A wedge.

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

3. What is another type of wedge the author mentions?
(a) The gate latch.
(b) The inversion ring.
(c) The sharp tapered edge of axes.
(d) The caliper.

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

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

Short Answer Questions

1. What is a wheel and rod attacked by a hinge?

2. What does the Mechanics of Movement explore?

3. What is a fulcrum?

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

5. What happens if the edges of the two wheels touch?

(see the answer key)

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