A 100-Kg Box Is Placed on a Ramp $\degree$ What Is the Coefficient of Static Friction Between Box and of the Ramp

question 12

Multiple Choice

A 100-kg box is placed on a ramp.As one end of the ramp is raised,the box begins to move downward just as the angle of inclination reaches 15 $\degree$ .What is the coefficient of static friction between box and ramp?

• A)0.15
• B)0.27
• C)0.77
• D)0.95

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Definitions:

Free-Rider Problem

A situation in public goods provision where individuals enjoy the benefits of goods or services without contributing to their costs, undermining the incentive for its provision.

Street Entertainers

Individuals or groups who perform various forms of entertainment in public spaces, often for voluntary donations.

Nonexcludability

Characterizes goods or services where it is not possible to prevent non-paying individuals from consuming the product, typical of public goods.

Public Goods

Economic goods that are non-excludable and non-rivalrous, meaning they can be simultaneously accessed by multiple people without diminishing availability to others.