
Engineering Mechanics: Statics & Dynamics (14th Edition)
14th Edition
ISBN: 9780133915426
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 6.4, Problem 39P
To determine
The force in members BC, HC, and HG of the truss and the state of members are in tension or compression.
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Students have asked these similar questions
Problem (17): water flowing in an open channel of a rectangular cross-section with width (b) transitions from a
mild slope to a steep slope (i.e., from subcritical to supercritical flow) with normal water depths of (y₁) and
(y2), respectively.
Given the values of y₁ [m], y₂ [m], and b [m], calculate the discharge in the channel (Q) in [Lit/s].
Givens:
y1 = 4.112 m
y2 =
0.387 m
b = 0.942 m
Answers:
( 1 ) 1880.186 lit/s
( 2 ) 4042.945 lit/s
( 3 ) 2553.11 lit/s
( 4 ) 3130.448 lit/s
Problem (14): A pump is being used to lift water from an underground
tank through a pipe of diameter (d) at discharge (Q). The total head
loss until the pump entrance can be calculated as (h₁ = K[V²/2g]), h
where (V) is the flow velocity in the pipe. The elevation difference
between the pump and tank surface is (h).
Given the values of h [cm], d [cm], and K [-], calculate the maximum
discharge Q [Lit/s] beyond which cavitation would take place at the
pump entrance. Assume Turbulent flow conditions.
Givens:
h = 120.31 cm
d = 14.455 cm
K = 8.976
Q
Answers:
(1) 94.917 lit/s
(2) 49.048 lit/s
( 3 ) 80.722 lit/s
68.588 lit/s
4
Problem (13): A pump is being used to lift water from the bottom
tank to the top tank in a galvanized iron pipe at a discharge (Q).
The length and diameter of the pipe section from the bottom tank
to the pump are (L₁) and (d₁), respectively. The length and
diameter of the pipe section from the pump to the top tank are
(L2) and (d2), respectively.
Given the values of Q [L/s], L₁ [m], d₁ [m], L₂ [m], d₂ [m],
calculate total head loss due to friction (i.e., major loss) in the
pipe (hmajor-loss) in [cm].
Givens:
L₁,d₁
Pump
L₂,d2
오
0.533 lit/s
L1 =
6920.729 m
d1 =
1.065 m
L2 =
70.946 m
d2
0.072 m
Answers:
(1)
3.069 cm
(2) 3.914 cm
( 3 ) 2.519 cm
( 4 ) 1.855 cm
TABLE 8.1
Equivalent Roughness for New Pipes
Pipe
Riveted steel
Concrete
Wood stave
Cast iron
Galvanized iron
Equivalent Roughness, &
Feet
Millimeters
0.003-0.03 0.9-9.0
0.001-0.01 0.3-3.0
0.0006-0.003 0.18-0.9
0.00085
0.26
0.0005
0.15
0.045
0.000005
0.0015
0.0 (smooth) 0.0 (smooth)
Commercial steel or wrought iron 0.00015
Drawn…
Chapter 6 Solutions
Engineering Mechanics: Statics & Dynamics (14th Edition)
Ch. 6.3 - In each case, calculate the support reactions and...Ch. 6.3 - Identify the zero-force members in each truss....Ch. 6.3 - Determine the force in each member of the truss....Ch. 6.3 - Determine the force in each member of the truss....Ch. 6.3 - Determine the force in each member of the truss....Ch. 6.3 - Determine the greatest load P that can be applied...Ch. 6.3 - Identify the zero-force members in the truss....Ch. 6.3 - Determine the force in each member of the truss....Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the truss...
Ch. 6.3 - Determine the force in each member of the truss....Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Prob. 5PCh. 6.3 - Determine the force in each member of the truss,...Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Prob. 9PCh. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the Pratt...Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the truss in...Ch. 6.3 - Members AB and BC can each support a maximum...Ch. 6.3 - Members AB and BC can each support a maximum...Ch. 6.3 - Determine the force in each member of the truss....Ch. 6.3 - If the maximum force that any member can support...Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Prob. 20PCh. 6.3 - Determine the force in each member of the truss...Ch. 6.3 - Determine the force in each member of the double...Ch. 6.3 - Prob. 23PCh. 6.3 - The maximum allowable tensile force in the members...Ch. 6.3 - Determine the force in each member of the truss in...Ch. 6.3 - The maximum allowable tensile force in the members...Ch. 6.4 - Determine the force in members BC, CF, and FE....Ch. 6.4 - Determine the force in members LK, KC, and CD of...Ch. 6.4 - Determine the force in members KJ, KD, and CD of...Ch. 6.4 - Determine the force in members EF, CF, and BC of...Ch. 6.4 - Determine the force in members GF, GD, and CD of...Ch. 6.4 - Determine the force in members DC, HI, and JI of...Ch. 6.4 - Determine the force in members DC, HC, and HI of...Ch. 6.4 - Determine the force in members ED, EH, and GH of...Ch. 6.4 - Determine the force in members HG, HE and DE of...Ch. 6.4 - Determine the force in members CD, HI, and CH of...Ch. 6.4 - Prob. 31PCh. 6.4 - Prob. 32PCh. 6.4 - Prob. 33PCh. 6.4 - Prob. 34PCh. 6.4 - Determine the force in members EF, CF, and BC, and...Ch. 6.4 - Determine the force in members AF, BF, and BC, and...Ch. 6.4 - Prob. 39PCh. 6.4 - Determine the force in members CD, CF, and CG and...Ch. 6.4 - Determine the force developed in members FE, EB,...Ch. 6.4 - Determine the force in members BC, HC, and HG....Ch. 6.4 - Determine the force in members CD, CJ, GJ, and CG...Ch. 6.4 - Determine the force in members BE, EF, and CB, and...Ch. 6.4 - Prob. 45PCh. 6.4 - Determine the force in members BC, CH, GH, and CG...Ch. 6.4 - Determine the force in members CD, CJ, and KJ and...Ch. 6.4 - Prob. 48PCh. 6.4 - Determine the force in members HI, FI, and EF of...Ch. 6.6 - In each case, identify any two-force members, and...Ch. 6.6 - Determine the force P needed to hold the 60-lb...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - If a 100-N force is applied to the handles of the...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the normal force that the 100-lb plate A...Ch. 6.6 - Determine the force P needed to lift the load....Ch. 6.6 - Prob. 19FPCh. 6.6 - Prob. 20FPCh. 6.6 - Determine the components of reaction at A and C....Ch. 6.6 - Determine the components of reaction at C. Prob....Ch. 6.6 - Determine the components of reaction at E. Prob....Ch. 6.6 - Determine the components of reaction at D and the...Ch. 6.6 - Determine the force P required to hold the 100-lb...Ch. 6.6 - In each case, determine the force P required to...Ch. 6.6 - Determine the force P required to hold the 50-kg...Ch. 6.6 - Determine the force P required to hold the 150-kg...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the force that the smooth rotor C exerts...Ch. 6.6 - The bridge frame consists of three segments which...Ch. 6.6 - Determine the reactions at supports A and B. Prob....Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the reactions at the supports A, C, and...Ch. 6.6 - Determine the resultant force at pins A, B, and C...Ch. 6.6 - Determine the reactions at the supports at A, E,...Ch. 6.6 - The wall crane supports a load of 700 lb....Ch. 6.6 - The wall crane supports a load of 700 lb....Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - The two-member structure is connected at C by a...Ch. 6.6 - The compound beam is pin supported at B and...Ch. 6.6 - When a force of 2 lb is applied to the handles of...Ch. 6.6 - The toggle clamp is subjected to a force F at the...Ch. 6.6 - The hoist supports the 125-kg engine. Determine...Ch. 6.6 - A 5-lb force is applied to the handles of the vise...Ch. 6.6 - Determine the force in members FD and DB of the...Ch. 6.6 - Determine the force that the smooth 20-kg cylinder...Ch. 6.6 - Prob. 85PCh. 6.6 - The pumping unit is used to recover oil. When the...Ch. 6.6 - Determine the force that the jaws J of the metal...Ch. 6.6 - Prob. 88PCh. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - The pipe cutter is clamped around the pipe P. If...Ch. 6.6 - Determine the force created in tire hydraulic...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - The constant moment of 50 N m is applied to the...Ch. 6.6 - Five coins are stacked in the smooth plastic...Ch. 6.6 - The nail cutter consists of the handle and the two...Ch. 6.6 - A man having a weight of 175 lb attempts to hold...Ch. 6.6 - Prob. 97PCh. 6.6 - The two member frame is pin connected at E. The...Ch. 6.6 - If the 300 kg drum has a center of mass at point...Ch. 6.6 - Operation of exhaust and intake valves in an...Ch. 6.6 - If a clamping force of 300 N is required at A,...Ch. 6.6 - If a force of F = 350 N is applied to the handle...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - The hydraulic crane is used to lift the 1400-lb...Ch. 6.6 - Determine force P on the cable if the spring is...Ch. 6.6 - Prob. 106PCh. 6.6 - If a force of F = 50 lb is applied to the pads at...Ch. 6.6 - The skid-steer loader has a mass of 1.18 Mg, and...Ch. 6.6 - Determine the force P on the cable if the spring...Ch. 6.6 - The spring has an unstretched length of 0.3 m....Ch. 6.6 - The spring has an unstretched length of 0.3 m....Ch. 6.6 - The piston C moves vertically between the two...Ch. 6.6 - Prob. 113PCh. 6.6 - The platform scale consists of a combination of...Ch. 6.6 - The three pin-connected members shown in the top...Ch. 6.6 - Determine the force in each member of the truss...Ch. 6.6 - Determine the force in each member of the truss...Ch. 6.6 - Determine the force in member GJ and GC of the...Ch. 6.6 - Determine the force in members GF, FB, and BC of...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the horizontal and vertical components...Ch. 6.6 - Determine the resultant forces at pins B and C on...
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- The flow rate is 12.275 Liters/s and the diameter is 6.266 cm.arrow_forwardAn experimental setup is being built to study the flow in a large water main (i.e., a large pipe). The water main is expected to convey a discharge (Qp). The experimental tube will be built at a length scale of 1/20 of the actual water main. After building the experimental setup, the pressure drop per unit length in the model tube (APm/Lm) is measured. Problem (20): Given the value of APm/Lm [kPa/m], and assuming pressure coefficient similitude, calculate the drop in the pressure per unit length of the water main (APP/Lp) in [Pa/m]. Givens: AP M/L m = 590.637 kPa/m meen Answers: ( 1 ) 59.369 Pa/m ( 2 ) 73.83 Pa/m (3) 95.443 Pa/m ( 4 ) 44.444 Pa/m *******arrow_forwardFind the reaction force in y if Ain = 0.169 m^2, Aout = 0.143 m^2, p_in = 0.552 atm, Q = 0.367 m^3/s, α = 31.72 degrees. The pipe is flat on the ground so do not factor in weight of the pipe and fluid.arrow_forward
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