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

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter5: Three-dimensional Equilibrium

Section: Chapter Questions

Problem 5.42P: The 350-lb homogeneous plate has the shape of an isosceles triangle. The plate is supported by a...

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