Statics and Mechanics of Materials
2nd Edition
ISBN: 9780073398167
Author: Ferdinand P. Beer, E. Russell Johnston Jr., John T. DeWolf, David Mazurek
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2.5, Problem 91P
Solve Prob. 2.90, assuming that a fiend is helping the man at A by pulling on him with a force
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Q.3) Determine the equivalent force
R. if the magnitudes of the three forces acting on the plate are T, - 90 kn, t, - 60 kN, and T, - 40 kn.
4. A cylinder weighing 400lb is held against a smooth incline by means of of a weightless
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W=400b.
Q3) A lug wrench is used to tighten a square-head bolt. If 50-lb forces are applied to the
wrench as shown, determine the magnitude F of the equal forces exerted on the four contact
points on the 1-in. bolt head so that their external effect on the bolt is equivalent to that of the
two 50-lb forces. Assume that the forces are perpendicular to the flats of the bolt head.
1"-
A 50 lb
A
C
View C Detail
(clearances exaggerated)
14"
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Chapter 2 Solutions
Statics and Mechanics of Materials
Ch. 2.1 - 2.1 and 2.2 Determine graphically the magnitude...Ch. 2.1 - 2.1 and 2.2 Determine graphically the magnitude...Ch. 2.1 - Two structural members B and C are bolted to...Ch. 2.1 - Two structural members B and C are bolted to...Ch. 2.1 - The 300-lb force is to be resolved into components...Ch. 2.1 - The 300-lb force is to be resolved into components...Ch. 2.1 - A trolley that moves along a horizontal beam is...Ch. 2.1 - A disabled automobile is pulled by means of two...Ch. 2.1 - Two forces are applied as shown to a hook support....Ch. 2.1 - A disabled automobile is pulled by means of two...
Ch. 2.1 - A trolley that moves along a horizontal beam is...Ch. 2.1 - For the hook support shown, determine by...Ch. 2.1 - The cable stays AB and AD help support pole AC....Ch. 2.1 - Solve Prob. 2.4 by trigonometry.Ch. 2.1 - For the hook support of Prob. 2.9, determine by...Ch. 2.2 - 2.16 and 2.17 Determine the x and y components of...Ch. 2.2 - 2.16 and 2.17 Determine the x and y components of...Ch. 2.2 - 2.18 and 2.10 Determine the x and y components of...Ch. 2.2 - 2.18 and 2.19 Determine the x and y components of...Ch. 2.2 - Member BD exerts on member ABC a force P directed...Ch. 2.2 - Member BC exerts on member AC a force P directed...Ch. 2.2 - Cable AC exerts on beam AB a force P directed...Ch. 2.2 - The hydraulic cylinder BD exerts on member ABC a...Ch. 2.2 - Prob. 24PCh. 2.2 - Determine the resultant of the three forces of...Ch. 2.2 - Determine the resultant of the three forces of...Ch. 2.2 - Determine the resultant of the three forces of...Ch. 2.2 - For the collar loaded as shown, determine (a) the...Ch. 2.2 - Prob. 29PCh. 2.2 - A hoist trolley is subjected to the three forces...Ch. 2.2 - For the post loaded as shown, determine (a) the...Ch. 2.3 - Two cables are tied together at C and are loaded...Ch. 2.3 - 2.33 and 2.34 Two cables are tied together at C...Ch. 2.3 - Prob. 34PCh. 2.3 - Prob. 35PCh. 2.3 - Prob. 36PCh. 2.3 - Two forces of magnitude TA=8 kips and TB=15 kips...Ch. 2.3 - Prob. 38PCh. 2.3 - Prob. 39PCh. 2.3 - Two forces P and Q are applied as shown to an...Ch. 2.3 - Prob. 41PCh. 2.3 - A sailor is being rescued using a boatswains chair...Ch. 2.3 - For the cables of Prob. 2.32, find the value of a...Ch. 2.3 - Prob. 44PCh. 2.3 - Prob. 45PCh. 2.3 - Prob. 46PCh. 2.3 - Two cables tied together at C are loaded as shown....Ch. 2.3 - Collar A is connected as shown to a 50-1b load and...Ch. 2.3 - Cogar A is connected as shown to a 50-lb load and...Ch. 2.3 - A movable bin and its contents have a combined...Ch. 2.3 - A 600 lb crate is supported by several...Ch. 2.3 - Prob. 52PCh. 2.3 - A 200-kg crate is to be supported by the...Ch. 2.3 - Prob. 54PCh. 2.3 - Prob. 55PCh. 2.4 - Determine (a) the x, y, and z components of the...Ch. 2.4 - Determine (a) the x, y, and z components of the...Ch. 2.4 - The end of the coaxial cable AE is attached to the...Ch. 2.4 - The end of the coaxial cable AE is attached to the...Ch. 2.4 - A gun is aimed at a point A located 35 east of...Ch. 2.4 - Prob. 61PCh. 2.4 - Determine the magnitude and direction of the force...Ch. 2.4 - Prob. 63PCh. 2.4 - Prob. 64PCh. 2.4 - Prob. 65PCh. 2.4 - Prob. 66PCh. 2.4 - Prob. 67PCh. 2.4 - Prob. 68PCh. 2.4 - Prob. 69PCh. 2.4 - In order to move a wrecked truck, two cables are...Ch. 2.4 - In order to move a wrecked truck, two cables are...Ch. 2.4 - Prob. 72PCh. 2.4 - Prob. 73PCh. 2.4 - Knowing that the tension is 425 lb in cable AB and...Ch. 2.4 - Knowing that the tension is 510 lb in cable AB and...Ch. 2.4 - A frame ABC is supported in part by cable DBE that...Ch. 2.4 - For the plate of Prob. 2.68, determine the...Ch. 2.4 - The boom OA carries a load P and is supported by...Ch. 2.4 - For the boom and loading of Prob. 2.78, determine...Ch. 2.5 - A container is supported by three cables that are...Ch. 2.5 - A container is supported by three cables that are...Ch. 2.5 - A crate is supported by three cables as shown....Ch. 2.5 - A crate is supported by three cables as shown....Ch. 2.5 - A crate is supported by three cables as shown....Ch. 2.5 - A 1600-lb crate is supported by three cables as...Ch. 2.5 - Three wires are connected at point D, which is...Ch. 2.5 - Prob. 87PCh. 2.5 - A rectangular plate is supported by three cables...Ch. 2.5 - A rectangular plate is supported by three cables...Ch. 2.5 - Prob. 90PCh. 2.5 - Solve Prob. 2.90, assuming that a fiend is helping...Ch. 2.5 - Prob. 92PCh. 2.5 - Prob. 93PCh. 2.5 - Prob. 94PCh. 2.5 - Prob. 95PCh. 2.5 - Prob. 96PCh. 2.5 - Prob. 97PCh. 2.5 - Prob. 98PCh. 2.5 - Prob. 99PCh. 2.5 - Prob. 100PCh. 2.5 - Prob. 101PCh. 2.5 - Prob. 102PCh. 2.5 - Solve Prob. 2.102 assuming that y=275mm.Ch. 2 - Two structural members A and B are bolted to a...Ch. 2 - Determine the x and y components of each of the...Ch. 2 - The hydraulic cylinder BC exerts on member AB a...Ch. 2 - Prob. 107RPCh. 2 - Knowing that a=20, determine the tension (a) in...Ch. 2 - Prob. 109RPCh. 2 - Prob. 110RPCh. 2 - Prob. 111RPCh. 2 - Prob. 112RPCh. 2 - Prob. 113RPCh. 2 - A transmission tower is held by three guy wires...Ch. 2 - Prob. 115RP
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- The 30-lb block is held in place on the smooth inclined plane by the force P. (a) Knowing that =20, determine P. (b) Given that P=40lb, find the angle .arrow_forwardQ.2. Force P is acting in the negative y-direction and has a magnitude of 120 N, and force Q is acting in the negative z-direction and has a magnitude of 225 N. Given this loading, solve for the forces in members AB, BC, EC, ED and AD. A 0.6 m 3 m B 0.6 m 2.25 m 1.2 m 0.75 marrow_forwardDetermine the horizontal and vertical components of force that the pins at A and B exert on the frame. 4.1 The magnitude of the horizontal component Ax at the hinged support A is Blank 1 kN. 4.2 The magnitude of the vertical component Ay at the hinged support A is Blank 2 kN. 4.3 The magnitude of the horizontal component Bx at the hinged support B is Blank 3 kN. 4.4 The magnitude of the vertical component By at the hinged support B is Blank 4 kN.arrow_forward
- H.W2 Determine the forces acting on 200 lbs On B B 250arrow_forwardSolve Prob. 2.113 assuming that a friend is helping the man at A by pulling on him with a force P = -(45 lb) K.(Reference to Problem 2.113):In trying to move across a slippery icy surface, a 175-lb man uses two ropes AB and and AC . Knowing that the force exerted on the man by the icy surface is perpendicular to that surface, determine the tension in each rope.arrow_forwardQ3) A lug wrench is used to tighten a square-head bolt. If 50-lb forces are applied to the wrench as shown, determine the magnitude F of the equal forces exerted on the four contact points on the 1-in. bolt head so that their external effect on the bolt is equivalent to that of the two 50-lb forces. Assume that the forces are perpendicular to the flats of the bolt head. 50 lb A View C Detail (clearances exaggerated) 14" 50 lb 14" B. Q4) A commercial airliner with four jet engines, each producing 90 kN of forward thrust, is in a steady, level cruise when engine number 3 suddenly fails. Determine and locate the resultant of the three remaining engine thrust vectors. Treat this as a two-dimensional problem. 4 90 kN 9 m 12 m 12 m 90 kN 9 m 90 kN 1 Good luckarrow_forward
- 3. Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by the balloon at A knowing that the tension in the cable AD is 521 N. 4.20 m 2.40 m T C 4.20 m 5.60 m 3.30 marrow_forwardQ2:In the design of the lifting hook the action of the applied force F at the critical section of the hook is a direct pull at B and a couple. If the magnitude of the couple is 40 lb-ft, determine the magnitude of Farrow_forward4.82 Determine the axle loads (normal forces at A, B, and C) for the ore hauler when it is parked on a horizontal roadway with its brakes off. The masses of the cab and the trailer are 4000 kg and 6000 kg, respectively, with centers of gravity at D and E. Assume that the connection at F is equivalent to a smooth pin. 2.4 m- -2m–|-1.5m-| 1m 0.6 m Fig. P4.82arrow_forward
- Q4) 200 cm X B 300 cm 227 cm 125 cm 75 cm y Determine the force acting along the axis of each of the three struts needed to support the 500-kg block.arrow_forwardY:rv Vr Cable AC exerts on beam AB 10 points a force P directed along line AC. Knowing that P must have a 350-lb vertical component, determine the magnitude of the force P* 550 В Qarrow_forwardF lb B 60° 900 lb Q8: Assume that the components of the force of F are Fig. of (Q6, Q7 & Q8) equaled (F, = F) determine the force F.arrow_forward
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