A 20-N Rock Slides on a Frictionless Inclined Plane $\theta$ , Is Increased

question 41

Multiple Choice

A 2.0-N rock slides on a frictionless inclined plane.Which one of the following statements is true concerning the normal force that the plane exerts on the rock?

• A)The normal force is zero newtons.
• B)The normal force is 2.0 N.
• C)The normal force is less than 2.0 N, but greater than zero newtons.
• D)The normal force is greater than 2.0 N.
• E)It increases as the angle of inclination, \(\theta\), is increased.

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