A 45-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 18° 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. P= i D 4.0' Answers: A₂ = i B₂= i 1.4' E A 4.5' DE=2.8 ft lb lb lb 2.1' B -18° 1
A 45-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 18° 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. P= i D 4.0' Answers: A₂ = i B₂= i 1.4' E A 4.5' DE=2.8 ft lb lb lb 2.1' B -18° 1
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 45-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 18° 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.
P=
Answers:
A₂ =
4.0'
i
i
1.4'
B₂ = i
E
4.5'
DE = 2.8 ft
P
lb
lb
lb
2.1'
B
(CI
-18°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46018582-43d1-4c18-8bf8-0ca1ef1d063e%2F49197209-b20b-4f7f-a7a6-2cdf1a57732f%2Fiqxn9e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 45-lb sheet of plywood rests on two small wooden blocks as shown. It is allowed to lean 18° 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.
P=
Answers:
A₂ =
4.0'
i
i
1.4'
B₂ = i
E
4.5'
DE = 2.8 ft
P
lb
lb
lb
2.1'
B
(CI
-18°
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