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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Introduction, Floating, Flying and Pressure Power, pp.91-141.

Multiple Choice Questions

1. What does the inclined plane do?
(a) Decreases effort.
(b) Extends the distance to a rise.
(c) Decreases gravitational force.
(d) Increases effort.

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

3. How does floating harness the power obtained by squeezing or stretching molecules?
(a) By energy "floating" through atomic fields and breaking the bonds to release energy.
(b) By squeezing an atom to split the proton and neutron.
(c) Through the form of upthrust.
(d) By gathering the individual electrons that are released.

4. What additional tasks can a boat with two triangular sails do?
(a) Achieve two additional suction forces.
(b) Achieve one additional suction force.
(c) Multiply the suction force by three.
(d) Divide the suction force.

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

Short Answer Questions

1. What is the effort you put in combined with the distance over which the effort is done?

2. What happens when an object is placed in water?

3. What do compound levers contain?

4. What is the most common form of inclined plane found in machines?

5. What is the main idea in Part 2 of the book?

(see the answer key)

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