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

2. What controls the movement in a gear system?
(a) The inertia needed to be overcome.
(b) The size of the gear.
(c) The size of the belt.
(d) The rotation of the gear.

3. How does a zipper operate?
(a) Just using triangular wedges.
(b) Just lower curved wedges.
(c) It is not a wedge system, but rather a rolling arc system.
(d) The use of triangular wedges and lower curved wedges.

4. Where are wheels and axles found?
(a) On all pulley systems.
(b) Wherever there is rotary motion.
(c) Where a spoke and center come together.
(d) Just on cars and bikes.

5. What happens if the edges of the two wheels touch?
(a) The rotation of one will cause the other to rotate.
(b) The one wheel will wear out faster than the other.
(c) The one will stop the other wheel.
(d) Nothing unless they have cams.

Short Answer Questions

1. What does the Mechanics of Movement explore?

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

3. What is one component of a lever?

4. How many forces hold things together?

5. How many types of gears are there?

(see the answer key)

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