The coefficient of static frictions between the 96-lb body and the 18° wedge is 0.19. Determine the magnitude and direction of the force P required to begin lowering the 96-lb body if (a) rollers of negligible friction are present under the wedge, as illustrated, and (b) the rollers are removed and the coefficient of static friction = 0.19 applies at this surface as well. The force P is positive if to the left (as illustrated) and negative if to the right. 96 lb Answer: P = 18° lb

The coefficient of static frictions between the 96-lb body and the 18° wedge is 0.19. Determine the magnitude and direction of the force P required to begin lowering the 96-lb body if (a) rollers of negligible friction are present under the wedge, as illustrated, and (b) the rollers are removed and the coefficient of static friction = 0.19 applies at this surface as well. The force P is positive if to the left (as illustrated) and negative if to the right. 96 lb Answer: P = 18° lb

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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The coefficient of static friction µg between the 96-lb body and the 18° wedge is 0.19. Determine the magnitude and
direction of the force P required to begin lowering the 96-lb body if (a) rollers of negligible friction are present under
the wedge, as illustrated, and (b) the rollers are removed and the coefficient of static friction H, = 0.19 applies at this
surface as well. The force P is positive if to the left (as illustrated) and negative if to the right.
96 lb
18°
Answer:
P =
lb

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