5. A body weighing 150 lb rests on an inclined plane forming an angle of 30° with the horizontal. A horizontal force P is applied to the body, as shown. The coefficient of static friction between the body and the plane is 0.30. Determine the force P that will cause impending motion a) up the inclined plane. b) down the inclined plane.
5. A body weighing 150 lb rests on an inclined plane forming an angle of 30° with the horizontal. A horizontal force P is applied to the body, as shown. The coefficient of static friction between the body and the plane is 0.30. Determine the force P that will cause impending motion a) up the inclined plane. b) down the inclined plane.
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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Transcribed Image Text:**Problem Description:**
A body weighing 150 lb rests on an inclined plane forming an angle of 30° with the horizontal. A horizontal force \( P \) is applied to the body, as depicted in the accompanying diagram. The coefficient of static friction between the body and the plane is 0.30. Determine the force \( P \) that will cause impending motion:
a) up the inclined plane.
b) down the inclined plane.
**Diagram Explanation:**
- The diagram shows a block on an inclined plane.
- The weight of the block \( W \) is given as 150 lb and acts vertically downward.
- The inclined plane forms an angle of 30° with the horizontal.
- A horizontal force \( P \) is applied to the body, directed to the left.
- The static friction acts along the plane surface, opposing the impending motion.
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