Each of the Four Corners of a Square with Edge

question 3

Multiple Choice

Each of the four corners of a square with edge a is occupied by a point mass m. There is a fifth mass, also m, at the center of the square. To remove the mass from the center to a point far away the work that must be done be an external agent is given by:

• A) 4Gm²/a
• B) -4Gm²/a
• E) 4Gm²/a²

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Definitions:

Rent Control

A government policy or law that limits the amount landlords can charge for leasing a home or apartment, with the aim to keep housing affordable for tenants.

Housing Shortages

A situation in a housing market where the demand for homes exceeds the supply, leading to increased prices and decreased affordability.

Price Floor

A government- or authority-imposed minimum price that can be charged for a good or service to prevent prices from dropping too low.

Equilibrium Price

The price at which the quantity of a good or service demanded by buyers equals the quantity supplied by sellers.