978-0073398242 Chapter 4 Solution Manual Part 5

subject Type Homework Help
subject Pages 9
subject Words 1224
subject Authors Brian Self, David Mazurek, E. Johnston, Ferdinand Beer, Phillip Cornwell

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PROBLEM 4.35
Bar AC supports two 400-N loads as shown. Rollers at A
and C rest against frictionless surfaces and a cable BD is
attached at B. Determine (a) the tension in cable BD, (b) the
reaction at A, (c) the reaction at C.
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PROBLEM 4.35 (Continued)
1400 NC 1400 N
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PROBLEM 4.36
A light bar AD is suspended from a cable BE and supports a
20-kg block at C. The ends A and D of the bar are in contact
with frictionless vertical walls. Determine the tension in cable
BE and the reactions at A and D.
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PROBLEM 4.37
The T-shaped bracket shown is supported by a small wheel at E and pegs at C
and D. Neglecting the effect of friction, determine the reactions at C, D, and E
when
30 .

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PROBLEM 4.38
The T-shaped bracket shown is supported by a small wheel at E and pegs at C
and D. Neglecting the effect of friction, determine (a) the smallest value of
for
which the equilibrium of the bracket is maintained, (b) the corresponding reactions
at C, D, and E.
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PROBLEM 4.39
A movable bracket is held at rest by a cable attached at C and by
frictionless rollers at A and B. For the loading shown, determine
(a) the tension in the cable, (b) the reactions at A and B.
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PROBLEM 4.40
A light bar AB supports a 15-kg block at its midpoint C. Rollers at
A and B rest against frictionless surfaces, and a horizontal cable
AD is attached at A. Determine (a) the tension in cable AD, (b) the
reactions at A and B.
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PROBLEM 4.41
Two slots have been cut in plate DEF, and the plate has
been placed so that the slots fit two fixed, frictionless
pins A and B. Knowing that P 15 lb, determine (a) the
force each pin exerts on the plate, (b) the reaction at F.
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PROBLEM 4.42
For the plate of Problem 4.41 the reaction at F must be
directed downward, and its maximum allowable value
is 20 lb. Neglecting friction at the pins, determine the
required range of values of P.
PROBLEM 4.41
Two slots have been cut in plate
DEF, and the plate has been placed so that the slots fit
two fixed, frictionless pins A and B. Knowing that
P 15 lb, determine (a) the force each pin exerts on the
plate, (b) the reaction at F.
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PROBLEM 4.43
The rig shown consists of a 1200-lb horizontal member ABC
and a vertical member DBE welded together at B. The rig is
being used to raise a 3600-lb crate at a distance x 12 ft
from the vertical member DBE. If the tension in the cable is
4 kips, determine the reaction at E, assuming that the cable is
(a) anchored at F as shown in the figure, (b) attached to the
vertical member at a point located 1 ft above E.

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