When Two Solid Spheres of the Same Material and Same

question 5

Multiple Choice

When two solid spheres of the same material and same radius r are in contact, the magnitude of the gravitational force each exerts on the other is directly proportional to:

• A)r.
• B)r2.
• C)r3.
• D)r4.
• E)r6.

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Definitions:

Equilibrium Price

The price at which the quantity of goods supplied equals the quantity demanded.

Tennis Balls

Small, usually yellow, hollow rubber balls covered in a fibrous felt, used in the game of tennis.

Tennis Racquets

Sporting equipment consisting of a handled frame with an open hoop across which a network of strings is stretched, used to hit a tennis ball.

Demand Schedule

A table that shows the quantity of a good or service that consumers are willing to buy at each price point.