A 26.0 kg box of textbooks rests on a loading ramp that makes an angle α with the horizontal. The coefficient of kinetic friction is 0.24 and the coefficient of static friction is 0.37. As the angle α is increased, find the minimum angle at which the box starts to slip. At this angle, find the acceleration once the box has begun to move. At this angle, how fast will the box be moving after it has slid 4.7 m along the loading ramp?
A 26.0 kg box of textbooks rests on a loading ramp that makes an angle α with the horizontal. The coefficient of kinetic friction is 0.24 and the coefficient of static friction is 0.37. As the angle α is increased, find the minimum angle at which the box starts to slip. At this angle, find the acceleration once the box has begun to move. At this angle, how fast will the box be moving after it has slid 4.7 m along the loading ramp?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 8STP
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A 26.0 kg box of textbooks rests on a loading ramp that makes an angle α with the horizontal. The coefficient of kinetic friction is 0.24 and the coefficient of static friction is 0.37.
- As the angle α is increased, find the minimum angle at which the box starts to slip.
- At this angle, find the acceleration once the box has begun to move.
- At this angle, how fast will the box be moving after it has slid 4.7 m along the loading ramp?
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