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PROBLEM 10.26 (Continued)
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 10.27
Determine the value of
corresponding to the equilibrium position
of the mechanism of Problem 10.12 when
= 80 NP
and
100 N.Q
PROBLEM 10.12
Knowing that the line of action of the force
Q
passes through Point C, derive an expression for the magnitude of
Q
required to maintain equilibrium.
PROBLEM 10.28
Determine the value of
corresponding to the equilibrium position of the
mechanism of Prob. 10.14 when P = 270 N and Q = 960 N.
PROBLEM 10.29
Two rods AC and CE are connected by a pin at C and by a
spring AE. The constant of the spring is k, and the spring is
unstretched when
30 .
For the loading shown, derive an
equation in P,
, l, and k that must be satisfied when the system
is in equilibrium.
PROBLEM 10.30
Two rods AC and CE are connected by a pin at C and by a spring
AE. The constant of the spring is 1.5 lb/in., and the spring is
unstretched when 30 .
Knowing that 10 in.l and
neglecting the weight of the rods, determine the value of
corresponding to equilibrium when 40 lb.P
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 10.31
Solve Problem 10.30 assuming that force
P
is moved to C and
acts vertically downward.
PROBLEM 10.30
Two rods AC and CE are connected by a pin
at C and by a spring AE. The constant of the spring is 1.5 lb/in.,
and the spring is unstretched when
30 .
Knowing that
l
10 in.
and neglecting the weight of the rods, determine the
value of
corresponding to equilibrium when
40 lb.P
PROBLEM 10.32
Two bars AD and DG are connected by a pin at D and by a spring
AG. Knowing that the spring is 300 mm long when unstretched and
that the constant of the spring is 5 kN/m, determine the value of x
corresponding to equilibrium when a 900-N load is applied at E as
shown.
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 10.33
Solve Prob. 10.32 assuming that the 900-N load is applied at C
instead of E.
Problem 10.32: Two bars AD and DG are connected by a pin at D
and by a spring AG. Knowing that the spring is 300 mm long when
unstretched and that the constant of the spring is 5 kN/m, determine
the value of x corresponding to equilibrium when 900-N load is
applied at E as shown.
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 10.34
Two 5-kg bars AB and BC are connected by a pin at B and by a
spring DE. Knowing that the spring is 150 mm long when
unstretched and that the constant of the spring is 1 kN/m, determine
the value of x corresponding to equilibrium.
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 10.35
A vertical force
P
of magnitude 150 N is applied to end E of cable
CDE, which passes over a small pulley D and is attached to the
mechanism at C. The constant of the spring is k 4 kN/m, and the
spring is unstretched when
0. Neglecting the weight of the
mechanism and the radius of the pulley, determine the value of
corresponding to equilibrium.
