Choose the assumption made for using this FBD.

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 17RQ: Convert 22C to Fahrenheit.
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This FBD is considered to solve the problem.
0.45 m 0.45m
P
0.75 m
1.35 m
1.05 m
N
ii) Choose the assumption made for using this FBD.
O a. The crate is in equilibrium.
O b. The crate is slipping.
O c. The crate is tipping.
O d. The crate is moving.
Transcribed Image Text:This FBD is considered to solve the problem. 0.45 m 0.45m P 0.75 m 1.35 m 1.05 m N ii) Choose the assumption made for using this FBD. O a. The crate is in equilibrium. O b. The crate is slipping. O c. The crate is tipping. O d. The crate is moving.
iii) According to the answer in (ii), examine which equations can be used to calculate the unknown (Answers are more
than one).
O a.
S+EMo = 0 1.35 P = N x
O b.
S+E Mo = 0 -1.35P - Nx = 0
%3D
c.
+fE Fy = 0
N = W
O d.
F = 0.3 N
{ Fx = 0
P = F
O e.
O f.
+↑ E Fy = 0
N + W = 0
%3D
Og t, Fx = 0
>E Fx = 0
P + F= 0
O h. F = - 0.3 N
Transcribed Image Text:iii) According to the answer in (ii), examine which equations can be used to calculate the unknown (Answers are more than one). O a. S+EMo = 0 1.35 P = N x O b. S+E Mo = 0 -1.35P - Nx = 0 %3D c. +fE Fy = 0 N = W O d. F = 0.3 N { Fx = 0 P = F O e. O f. +↑ E Fy = 0 N + W = 0 %3D Og t, Fx = 0 >E Fx = 0 P + F= 0 O h. F = - 0.3 N
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