A pulley-and-cable assembly supports block W and requires a downward force at P for equilibrium. Knowing that the tension of cable FG is 61.2 N, calculate the mass of the block and the magnitude of the downward force P.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
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Chapter4: Coplanar Equilibrium Analysis
Section: Chapter Questions
Problem 4.38P: The 40-kghomogeneous disk is placed on a frictionless inclined surface and held in equilibrium by...
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A pulley-and-cable assembly supports block W and requires a downward force at P for equilibrium. Knowing that the tension of cable FG is 61.2 N,
calculate the mass of the block and the magnitude of the downward force P.
A
ww
54"
L36*
78.701
25
w.
ww-
Transcribed Image Text:A pulley-and-cable assembly supports block W and requires a downward force at P for equilibrium. Knowing that the tension of cable FG is 61.2 N, calculate the mass of the block and the magnitude of the downward force P. A ww 54" L36* 78.701 25 w. ww-
Sample Problem 9
The system shown is used to
support a 10lb Block and a
Block A. If the Tension in Cable O
2 is 5lb,
following:
a) WA weight of Block A
b) T, T3 tension at cables 1
and 3
10-lb
determine the T
60
45
c) x spring deformation (k =
30lb/ft)
2. Equilibrium of Particles
Sample Problem 9
Given:
T2 = 5lb
k = 30lb/ft
A10 Ib
60"
45
Required:
a) WA
b) T,, T3
c) x deformation of sering
2. Equilibrium of Particles
Sample Problem 9
* Consider A
31.
10 lb
60
45
-ST, cos 6o 1(5 )ws450
T :: 357o lb. T
3T, sınco + 54 5 sin a5-w-o
W, 3(1570)sinwo 1545sinus
W 14 6592 lo
2. Equilibrium of Particles
Sample Problem 9
* Consider the 10 l6 block
Principle of
Transomissibility
10 lb
60
45
-1, cos4s 1T30
1 Solve x
-5 sinys -10 - Fg:0
Fg= -15-535 N.T
F: 13 535S N,C
Tyi35 395 1b, T
-135355 : () *
x-0 4512 4
Transcribed Image Text:Sample Problem 9 The system shown is used to support a 10lb Block and a Block A. If the Tension in Cable O 2 is 5lb, following: a) WA weight of Block A b) T, T3 tension at cables 1 and 3 10-lb determine the T 60 45 c) x spring deformation (k = 30lb/ft) 2. Equilibrium of Particles Sample Problem 9 Given: T2 = 5lb k = 30lb/ft A10 Ib 60" 45 Required: a) WA b) T,, T3 c) x deformation of sering 2. Equilibrium of Particles Sample Problem 9 * Consider A 31. 10 lb 60 45 -ST, cos 6o 1(5 )ws450 T :: 357o lb. T 3T, sınco + 54 5 sin a5-w-o W, 3(1570)sinwo 1545sinus W 14 6592 lo 2. Equilibrium of Particles Sample Problem 9 * Consider the 10 l6 block Principle of Transomissibility 10 lb 60 45 -1, cos4s 1T30 1 Solve x -5 sinys -10 - Fg:0 Fg= -15-535 N.T F: 13 535S N,C Tyi35 395 1b, T -135355 : () * x-0 4512 4
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