A 600-Kg Car Is Going Over a Curve with a Radius

question 37

Multiple Choice

A 600-kg car is going over a curve with a radius of 120 m that is banked at an angle of 25° with a speed of 30.0 m/s. The coefficient of static friction between the car and the road is 0.30. What is the normal force exerted by the road on the car?

• A) 1590 N
• B) 3430 N
• C) 3620 N
• D) 7240 N
• E) 5330 N

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Definitions:

Heart Wall

The heart wall is the muscular structure that composes the heart, consisting of three layers: the epicardium, the myocardium, and the endocardium.

Mediastinum

An anatomical region in the thorax that separates the lungs and contains the heart, esophagus, trachea, and other structures.

Base

Molecule that is a proton acceptor; any substance that binds to hydrogen ions. Lower part or bottom of a structure; the base of the heart is the flat portion directed posteriorly and superiorly; veins and arteries project into and out of the base, respectively.

Inferior Aspect

The lower part or section of an anatomical structure or body part.