A Highway Curve Has a Radius of 0

question 13

Multiple Choice

A highway curve has a radius of 0.14 km and is unbanked. A car weighing 12 kN goes around the curve at a speed of 24 m/s without slipping. What is the magnitude of the horizontal force of the road on the car?

• A) 12 kN
• B) 17 kN
• C) 13 kN
• D) 5.0 kN
• E) 49 kN

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Definitions:

Price-Elasticity Coefficient

A measure indicating how much the quantity demanded of a good responds to a change in its price, indicating its sensitivity.

Price Elasticity

An assessment of the extent to which the demand or supply of a product shifts following a price adjustment.

Total Amount

The complete sum or quantity of something, often referring to money, goods, or services.

Equilibrium Price

The price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers, leading to a stable market condition.