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. Upon what does the amount of upthrust of an object in water depend?
(a) On what the object's salinity is.
(b) On whether or not the object is greater than one centimeter in diameter.
(c) On what the water's electrical charge is.
(d) On how much water the object displaces.

2. What is a first-class lever?
(a) Where the effort and the load are equal distances from the fulcrum.
(b) Where the distance is further from the fulcrum than the effort.
(c) Where there is no load needed for the effort.
(d) Where the effort is a greater distance from the fulcrum than the load.

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

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

5. What is the effort you put in combined with the distance over which the effort is done?
(a) Work.
(b) Rest.
(c) Gravity.
(d) Mendal's law.