A 82-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 30° from the vertical under the action of a force P which is perpendicular to the sheet. Friction at all surfaces of blocks A and B is sufficient to prevent slipping. Determine the magnitude P and the vertical reaction forces at A and B.
A 82-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 30° from the vertical under the action of a force P which is perpendicular to the sheet. Friction at all surfaces of blocks A and B is sufficient to prevent slipping. Determine the magnitude P and the vertical reaction forces at A and B.
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 82-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 30° from the vertical under the action of a
force P which is perpendicular to the sheet. Friction at all surfaces of blocks A and B is sufficient to prevent slipping. Determine the
magnitude P and the vertical reaction forces at A and B.
4.0
P=
1.5
Answers:
20.5
A₂ =
B₂- i
28.3
434
4.3
DE=2.9 ft
d Modis
lb
2.2'
lb
lb
B
-30°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc00dc71-4a8a-41f7-b66b-25652e90e411%2Fc1ec9778-9fee-4fcd-aaa4-ed9a817abf3b%2F5rho6u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 82-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 30° from the vertical under the action of a
force P which is perpendicular to the sheet. Friction at all surfaces of blocks A and B is sufficient to prevent slipping. Determine the
magnitude P and the vertical reaction forces at A and B.
4.0
P=
1.5
Answers:
20.5
A₂ =
B₂- i
28.3
434
4.3
DE=2.9 ft
d Modis
lb
2.2'
lb
lb
B
-30°
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