4. What horizontal force P on the wedges B and C is necessary to raise the weight of 20 tons resting on A? Assume the coefficient of friction between the wedges and the ground is 0.25 and between the wedges and A is 0.2 Note: the slope of the wedge is 1 vertical and 10 horizontal P- B 20 T A

4. What horizontal force P on the wedges B and C is necessary to raise the weight of 20 tons resting on A? Assume the coefficient of friction between the wedges and the ground is 0.25 and between the wedges and A is 0.2 Note: the slope of the wedge is 1 vertical and 10 horizontal P- B 20 T A

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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Question

please help me

4. What horizontal force P on the wedges B and C
is necessary to raise the weight of 20 tons resting
on A? Assume the coefficient of friction between
the wedges and the ground is 0.25 and between
the wedges and A is 0.2
Note: the slope of the wedge is 1 vertical and 10
horizontal
P-
P=₁
B
120 T
A
-P

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