A Car Goes Around a Circular Curve on a Horizontal

question 43

Multiple Choice

A car goes around a circular curve on a horizontal road at constant speed.What is the direction of the friction force on the car due to the road?

• A)tangent to the curve in the forward direction
• B)tangent to the curve opposite to the direction of the car's motion
• C)perpendicular to the curve outward
• D)perpendicular to the curve inward
• E)There is no friction on the car because its speed is constant.

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Definitions:

Supply and Demand

The fundamental economic model that describes how prices are determined in a market based on the available quantity of goods or services and the desire for them.

Equilibrium Price

The price at which the supply of an item matches its demand, ensuring that the market is in balance.

Excess Supply

A situation where the quantity of a good or service supplied surpasses the quantity demanded at a specific price.

Excess Demand

Excess demand occurs when the quantity demanded of a product or service at a given price exceeds the quantity supplied, often leading to a shortage.