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.
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
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.29P: An automobile driver traveling down an 8% grade slams on his brakes and skids 30 m before hitting a...
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