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:

Heart Disease

A range of conditions affecting the heart, including coronary artery disease, heart arrhythmias, and congenital heart defects.

Medication

Substances used for medical treatment, especially for relieving or treating illness or disease.

Exercise

Physical activities intended to improve strength, fitness, and overall health.

Biopsychosocial Model

A broad view that attributes disease outcome to the complex, variable interaction of biological factors, psychological factors, and social factors.