A Rectangular Block Is Moving Along a Frictionless Path When

question 47

Multiple Choice

A rectangular block is moving along a frictionless path when it encounters the circular loop as shown. The block passes points 1,2,3,4,1 before returning to the horizontal track. At point 3:

• A) its mechanical energy is a minimum
• B) the forces on it are balanced
• C) it is not accelerating
• D) its speed is a minimum
• E) it experiences a net upward force

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Definitions:

Cartel

A group of producers or vendors coming together to keep prices elevated and limit competition.

Perfectly Competitive

In a perfectly competitive market, numerous small firms sell identical products, and no single seller can influence the market price.

Game Theory

A theoretical framework for conceiving social situations among competing players and analyzing strategies in situations of conflict and cooperation.

Collude

To cooperate with others secretly or unlawfully to deceive or gain an unfair advantage, often in a way that is deceitful or fraudulent.