An object sits at rest on a ramp. As the angle of inclination of the ramp increases, the object suddenly begins to slide. Which of the following explanations best accounts for the object's movement? O The coefficient of static friction has decreased sufficiently. The friction has decreased sufficiently while the normal force has remained unchanged. The force of gravity acting on the object has increased sufficiently. O The normal force has increased sufficiently. The component of gravity along the ramp has increased sufficiently.

Classical Dynamics of Particles and Systems
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ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
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An object sits at rest on a ramp. As the angle of inclination of the ramp increases, the object
suddenly begins to slide. Which of the following explanations best accounts for the object's
movement?
O The coefficient of static friction has decreased sufficiently.
) The friction has decreased sufficiently while the normal force has remained unchanged.
OThe force of gravity acting on the object has increased sufficiently.
) The normal force has increased sufficiently.
The component of gravity along the ramp has increased sufficiently.
Transcribed Image Text:An object sits at rest on a ramp. As the angle of inclination of the ramp increases, the object suddenly begins to slide. Which of the following explanations best accounts for the object's movement? O The coefficient of static friction has decreased sufficiently. ) The friction has decreased sufficiently while the normal force has remained unchanged. OThe force of gravity acting on the object has increased sufficiently. ) The normal force has increased sufficiently. The component of gravity along the ramp has increased sufficiently.
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