An Object of Weight W Is in Freefall Close to the Surface

question 76

Multiple Choice

An object of weight W is in freefall close to the surface of Earth. The magnitude of the force that the object exerts on Earth is

• A) cannot be determined without knowing the relative masses of the object and the earth.
• B) equal to W.
• C) less than W.
• D) greater than W.
• E) zero.

---

Definitions:

Reactance

Brehm’s theory that people try to protect their freedom to act. When they perceive that this freedom has been curtailed, they will act to regain it.

Inoculation Effect

A social psychology theory that suggests exposure to a weakened form of an argument increases later resistance to that argument.

Analogy

A comparison between two things, typically for the purpose of explanation or clarification.

Anti-Smoking Campaign

Public health initiatives aimed at reducing smoking through education, awareness, and policies.