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A loaded penguin sled weighing 62 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the coefficient of static friction is 0.20, and the coefficient of kinetic friction is 0.16. (a) What is the minimum magnitude of the force F, parallel to the plane, that will prevent the sled from slipping down the plane? 9.55 V 9.55 N (b) What is the minimum magnitude F that will start the sled moving up the plane? 32.9 V 32.9 N (c) What value of F is required to move the block up the plane at constant velocity? 30.5 30.5 N Additional Materials MeBook

A loaded penguin sled weighing 62 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the coefficient of static friction is 0.20, and the coefficient of kinetic friction is 0.16. (a) What is the minimum magnitude of the force F, parallel to the plane, that will prevent the sled from slipping down the plane? 9.55 V 9.55 N (b) What is the minimum magnitude F that will start the sled moving up the plane? 32.9 V 32.9 N (c) What value of F is required to move the block up the plane at constant velocity? 30.5 30.5 N Additional Materials MeBook

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A loaded penguin sled weighing 62 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane, the coefficient of static friction is 0.20, and the coefficient of kinetic friction is 0.16. **Diagram Explanation:** The diagram shows a block (representing the sled) on an inclined plane with angle θ to the horizontal. The weight (W) acts downward, and a force (F) acts parallel to the plane upwards. The normal force (N) acts perpendicular to the plane. **Questions and Answers:** (a) What is the minimum magnitude of the force \( \overrightarrow{F} \), parallel to the plane, that will prevent the sled from slipping down the plane? - Answer: 9.55 N (b) What is the minimum magnitude \( F \) that will start the sled moving up the plane? - Answer: 32.9 N (c) What value of \( F \) is required to move the block up the plane at constant velocity? - Answer: 30.5 N **Additional Materials:** - eBook
Transcribed Image Text:A loaded penguin sled weighing 62 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane, the coefficient of static friction is 0.20, and the coefficient of kinetic friction is 0.16. **Diagram Explanation:** The diagram shows a block (representing the sled) on an inclined plane with angle θ to the horizontal. The weight (W) acts downward, and a force (F) acts parallel to the plane upwards. The normal force (N) acts perpendicular to the plane. **Questions and Answers:** (a) What is the minimum magnitude of the force \( \overrightarrow{F} \), parallel to the plane, that will prevent the sled from slipping down the plane? - Answer: 9.55 N (b) What is the minimum magnitude \( F \) that will start the sled moving up the plane? - Answer: 32.9 N (c) What value of \( F \) is required to move the block up the plane at constant velocity? - Answer: 30.5 N **Additional Materials:** - eBook
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