A Block of Mass M Is Pulled in the Direction $\theta$

question 37

Multiple Choice

A block of mass m is pulled in the direction shown in the figure across a rough surface at a constant velocity. The magnitude of the frictional force is

• A) µ_kmg
• B) µ_kT cos \(\theta\)
• C) µ_k(T - mg)
• D) µ_kT sin \(\theta\)
• E) µ_k(mg - T sin \(\theta\))

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Definitions:

Pollution

The contamination of air, water, or soil by substances that are harmful to living organisms.

Pigouvian Tax

A tax imposed on any market activity that generates negative externalities, intended to correct the market outcome by internalizing the costs of the externality.

Marginal Social Cost

The complete expense incurred by society to produce an extra unit of a good or service, encompassing both individual costs and external impacts.

Marginal Social Benefit

Marginal social benefit is the additional gain to society as a whole from an additional unit of a good or service.