A Rock of Mass M with a Density Twice That

question 72

Multiple Choice

A rock of mass M with a density twice that of water is sitting on the bottom of an aquarium tank filled with water.The normal force exerted on the rock by the bottom of the tank is

• A)2Mg
• B)Mg
• C)Mg/2
• D)zero
• E)impossible to determine from the information given.

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Definitions:

Moral Hazard

A situation where one party engages in risky behavior knowing that it is protected against the consequences, often due to the existence of insurance or similar safety nets.

Adverse Selection

A situation in which one party in a transaction has more or better information than the other, often leading to an imbalance and potentially unfavorable outcomes.

Hidden Characteristics

Traits or features of a product or service that are not immediately observable to the buyer, potentially leading to information asymmetry.

Psychology

The scientific study of the mind and behaviors, encompassing a wide range of topics from cognitive processes to social interactions.