International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN: 9781305501607
Author: Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
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Chapter 10, Problem 10.34P
To determine
The couple
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Determine the maximum downward force Pmax that can be applied to wedge A that will
keep the assembly in equilibrium. Based on the value of the force in link BC, determine
whether block C will slip or tip first. At Pmax, what are the frictional forces between
wedge A and block B, fAB, and between wedge A and wall D, fAD? The weight of
block C is 192 N while that of the wedge is negligible.
Draw the FBDs of wedge A, block B, and block C. Label correctly all the forces
(especially normal and frictional forces with proper subscripts) and indicate the direction
of the impending motion next to each FBD. Note that the weight of block B, though not
negligible, is not necessary in the computation.
D
HAD 0.27-
P
A
B
60°
HAB
<= 0.14
HBE
E
C
1 m
HCF = 0.375
F
R
2.4 m
3.2 m
2. Determine the angle 0 at which the bar AB is in equilibrium if W = 51.74 N. Neglect the weight of
the bar and friction.
B
Determine the maximum downward force Pmax that can be applied to wedge A that will keep the assembly
in equilibrium. Based on the value of the force in link BC, determine whether block C will slip or tip first.
At Pmax, what are the frictional forces between wedge A and block B, fAB, and between wedge A and wall
D, SAD? The weight of block C is 192 N while that of the wedge is negligible.
Draw the FBDs of wedge A, block B, and block C. Label correctly all the forces (especially normal and
frictional forces with proper subscripts) and indicate the direction of the impending motion next to each
FBD. Note that the weight of block B, though not negligible, is not necessary in the computation.
W
HAD 0.27
D
P
A
B
60°
HAB= 0.14
|sg =0
E
C
1 m
HCF = 0.375
F
R
2.4 m
3.2 m
Chapter 10 Solutions
International Edition---engineering Mechanics: Statics, 4th Edition
Ch. 10 - Determine the number of DOF for each of the...Ch. 10 - The uniform bar of weight W is held in equilibrium...Ch. 10 - Bars AB and AC of the mechanism are homogenous...Ch. 10 - The weight of each homogeneous bar of the linkage...Ch. 10 - The 1800-kg boat is suspended from two parallel...Ch. 10 - The 2.4-kg lamp, with center of gravity located at...Ch. 10 - The linkage is made of two homogenous bars of...Ch. 10 - For the frame shown, find the horizontal component...Ch. 10 - The four-bar linkage supports the homogeneous box...Ch. 10 - Prob. 10.10P
Ch. 10 - Determine the ratio P/Q of the forces that are...Ch. 10 - Find the vertical force P that will hold the...Ch. 10 - The linkage of the braking system consists of the...Ch. 10 - The automatic drilling robot must sustain a thrust...Ch. 10 - Determine the couple C for which the mechanism...Ch. 10 - The scissors jack is used to elevate the weight W....Ch. 10 - Prob. 10.17PCh. 10 - Calculate the torque C0 that must be applied to...Ch. 10 - Determine the force F and the angle a required to...Ch. 10 - Locate the instant center of rotation of bar AB...Ch. 10 - Prob. 10.21PCh. 10 - Determine the force P that will keep the mechanism...Ch. 10 - Prob. 10.23PCh. 10 - Prob. 10.24PCh. 10 - Prob. 10.25PCh. 10 - Determine the ratio P/Q for which the linkage will...Ch. 10 - Prob. 10.27PCh. 10 - Prob. 10.28PCh. 10 - If the input force to the compound lever is P = 30...Ch. 10 - Determine the roller reaction at F due to the...Ch. 10 - Prob. 10.31PCh. 10 - Prob. 10.32PCh. 10 - Prob. 10.33PCh. 10 - Prob. 10.34PCh. 10 - Prob. 10.35PCh. 10 - For the pliers shown, determine the relationship...Ch. 10 - When activated by the force P, the gripper cm a...Ch. 10 - Prob. 10.38PCh. 10 - The hinge is of the type used on some automobiles,...Ch. 10 - The spring attached to the sliding collar is...Ch. 10 - The weight W is suspended from end B of the...Ch. 10 - The uniform bar of weight W and length L = 1.8R...Ch. 10 - A slender homogeneous bar is bent into a right...Ch. 10 - The body shown is a composite of a hemisphere and...Ch. 10 - Prob. 10.45PCh. 10 - The uniform bar AB of weight W and length L is...Ch. 10 - Uniform rods of weights W1 and W2 are welded to...Ch. 10 - Prob. 10.48PCh. 10 - The semi-cylinder of radius r is placed on a...Ch. 10 - Prob. 10.50PCh. 10 - The spring attached to the homogenous bar of...Ch. 10 - The spring is connected to a rope that passes over...Ch. 10 - Find the equilibrium positions of the 30-lb...Ch. 10 - The mechanism of negligible weight supports the...Ch. 10 - Solve Prob. 10.54 assuming that A and B are...Ch. 10 - The stiffness of the ideal spring that is...Ch. 10 - Find the stable equilibrium position of the system...Ch. 10 - The uniform bar AB of weight W = kL is in...Ch. 10 - The weight of the uniform bar AB is W. The...Ch. 10 - The weightless bars AB and CE, together with the...Ch. 10 - Prob. 10.61PCh. 10 - The bar ABC is supported by three identical, ideal...
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- The 40-kghomogeneous disk is placed on a frictionless inclined surface and held in equilibrium by the horizontal force P and a couple C (C is not shown on the figure). Find P and C.arrow_forwardDetermine the contact force between the smooth 90-kg ball B and the horizontal bar, and the magnitude of the pin reaction at A. Neglect the weights of the bar and the pulley.arrow_forwardThe 40-kg homogeneous disk is resting on an inclined friction surface. (a) Compute the magnitude of the horizontal force P. (b) Could the disk be in equilibrium if the inclined surface were frictionless?arrow_forward
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