The Center of Mass of a System of Particles Obeys

question 17

Multiple Choice

The center of mass of a system of particles obeys an equation similar to Newton's second law where:

• A)is the total internal force and m is the total mass of the system
• B)is the total internal force and m is the mass acting on the system
• C)is the total external force and m is the total mass of the system
• D)is the force of gravity and m is the mass of Earth
• E)is the force of gravity and m is the total mass of the system

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Definitions:

Foot-In-The-Door Effect

A mental phenomenon wherein consenting to a minor request enhances the chances of acquiescing to a more significant request subsequently.

Low Balling

A persuasion technique often used in sales where an initially low price is presented to secure agreement from the buyer, only to increase the cost through the addition of extras or disclosure of hidden costs.

Social Conformity

The act of adjusting one's thoughts or behaviors in order to fit in with the norms or standards of a social group or society.

Door-In-The-Face Effect

A compliance technique whereby a large, unreasonable request is made first, followed by a smaller, more reasonable request, which is the actual desired outcome.