Slanted Surfaces Without Friction: a Box Slides Down a Frictionless

question 59

Multiple Choice

Slanted surfaces without friction: A box slides down a frictionless plane inclined at an angle θ above the horizontal. The gravitational force on the box is directed

• A) parallel to the plane in the same direction as the movement of the box.
• B) parallel to the plane in the opposite direction as the movement of the box.
• C) perpendicular to the plane.
• D) vertically.
• E) at an angle θ below the inclined plane.

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