Engineering Mechanics: Statics & Dynamics (14th Edition)
14th Edition
ISBN: 9780133915426
Author: Russell C. Hibbeler
Publisher: PEARSON
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Textbook Question
Chapter 3.3, Problem 3P
Determine the magnitude and direction θ of F so that the particle is in equilibrium.
Prob. 3-3
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3-3. Determine the magnitude and direction of F so that
the particle is in equilibrium.
8 kN
30°
60°
4 kN
5 kN
X
*3-24. The 25-kg flowerpot is supported at A by the three
cords. Determine the force acting in each cord for
equilibrium.
2
60°
30°
30°
B
45°
R3-6. Determine the magnitudes of F₁, F2, and F3 for
equilibrium of the particle.
F₁
60°
30%
30°
S
800 N
Prob. R3-6
F₂
Chapter 3 Solutions
Engineering Mechanics: Statics & Dynamics (14th Edition)
Ch. 3.3 - In each case, draw a free-body diagram of the ring...Ch. 3.3 - Write the two equations of equilibrium, Fx = 0 and...Ch. 3.3 - The crate has a weight of 550 lb. Determine the...Ch. 3.3 - The beam has a weight of 700 lb. Determine the...Ch. 3.3 - If the 5-kg block is suspended from the pulley B...Ch. 3.3 - The block has a mass of 5 kg and rests on the...Ch. 3.3 - If the mass of cylinder C is 40 kg, determine the...Ch. 3.3 - Determine the tension in cables AB, BC, and CD,...Ch. 3.3 - The members of a truss are pin connected at joint...Ch. 3.3 - The members of a truss are pin connected at joint...
Ch. 3.3 - Determine the magnitude and direction of F so...Ch. 3.3 - The bearing consists of rollers, symmetrically...Ch. 3.3 - The members of a truss are connected to the gusset...Ch. 3.3 - The gusset plate is subjected to the forces of...Ch. 3.3 - The man attempts to pull down the tree using the...Ch. 3.3 - The cords ABC and BD can each support a maximum...Ch. 3.3 - Determine the maximum force F that can be...Ch. 3.3 - The block has a weight of 20 lb and is being...Ch. 3.3 - Determine the maximum weight W of the block that...Ch. 3.3 - The lift sling is used to hoist a container having...Ch. 3.3 - A nuclear-reactor vessel has a weight of 500(103)...Ch. 3.3 - Determine the stretch in each spring for...Ch. 3.3 - The unstretched length of spring AB is 3 m. If the...Ch. 3.3 - Determine the mass of each of the two cylinders if...Ch. 3.3 - Determine the stiffness kT of the single spring...Ch. 3.3 - If the spring DB has an unstretched length of 2 m....Ch. 3.3 - Determine the unstretched length of DB to hold the...Ch. 3.3 - A vertical force P = 10 lb is applied to the ends...Ch. 3.3 - Determine the unstretched length of spring AC if a...Ch. 3.3 - The springs BA and BC each have a stiffness of 500...Ch. 3.3 - The springs BA and BC each nave a stiffness of 500...Ch. 3.3 - Determine the distances x and y for equilibrium if...Ch. 3.3 - Determine the magnitude of F1 and the distance y...Ch. 3.3 - The 30-kg pipe is supported at A by a system of...Ch. 3.3 - Each cord can sustain a maximum tension of 500 N....Ch. 3.3 - The streetlights A and B are suspended from the...Ch. 3.3 - Determine the tension developed in each cord...Ch. 3.3 - Prob. 30PCh. 3.3 - Prob. 31PCh. 3.3 - Prob. 32PCh. 3.3 - The lamp has a weight of 15 lb and is supported by...Ch. 3.3 - Each cord can sustain a maximum tension of 20 lb....Ch. 3.3 - Prob. 35PCh. 3.3 - Prob. 36PCh. 3.3 - Prob. 37PCh. 3.3 - Prob. 38PCh. 3.3 - The ball D has a mass of 20 kg. If a force of F =...Ch. 3.3 - The 200-lb uniform container is suspended by means...Ch. 3.3 - The single elastic cord ABC is used to support the...Ch. 3.3 - A scale is constructed with a 4-ft-long cord and...Ch. 3.3 - The concrete wall panel is hoisted into position...Ch. 3.3 - Prob. 2CPCh. 3.3 - Prob. 3CPCh. 3.3 - Prob. 4CPCh. 3.4 - Determine the magnitude of forces F1, F2, F3, so...Ch. 3.4 - Determine the tension developed in cables AB, AC,...Ch. 3.4 - Prob. 9FPCh. 3.4 - Prob. 10FPCh. 3.4 - Prob. 11FPCh. 3.4 - The three cables are used to support the 40-kg...Ch. 3.4 - Determine the magnitudes of F1, F2, and F3 for...Ch. 3.4 - If the bucket and its contents have a total weight...Ch. 3.4 - Determine the stretch in each of die two springs...Ch. 3.4 - Prob. 47PCh. 3.4 - Determine the tension in the cables in order to...Ch. 3.4 - Determine the maximum mass of the crate so that...Ch. 3.4 - Determine the force in each cable if F = 500 lb.Ch. 3.4 - Prob. 51PCh. 3.4 - Determine the tens on developed in cables AB and...Ch. 3.4 - If the tension developed in each cable cannot...Ch. 3.4 - Prob. 54PCh. 3.4 - Determine the maximum weight of the crate that can...Ch. 3.4 - The 25 kg flowerpot is supported at A by the three...Ch. 3.4 - If each cord can sustain a maximum tension of 50 N...Ch. 3.4 - Determine the tension developed m the three cables...Ch. 3.4 - Determine the tension developed in the three...Ch. 3.4 - Prob. 60PCh. 3.4 - Prob. 61PCh. 3.4 - If the maximum force in each rod con not exceed...Ch. 3.4 - Prob. 63PCh. 3.4 - If cable AD is tightened by a turnbuckle and...Ch. 3.4 - Prob. 65PCh. 3.4 - Prob. 66PCh. 3.4 - Determine the maximum weight of the crate so that...Ch. 3.4 - The pipe is held in place by the vise. If the bolt...Ch. 3.4 - Prob. 2RPCh. 3.4 - Prob. 3RPCh. 3.4 - Prob. 4RPCh. 3.4 - Prob. 5RPCh. 3.4 - Prob. 6RPCh. 3.4 - Determine the force in each cable needed to...Ch. 3.4 - If cable AB is subjected to a tension of 700 N,...
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- 3-30. The 5-ft-long cord AB is attached to the end B of a spring having an unstretched length of 5 ft. The other end of the spring is attached to a roller C so that the spring remains horizontal as it stretches. If a 10-1b weight is suspended from B, determine the angle 8 of cord AB for equilibrium. 5 ft 5 ft A 8 5 ft B sesso k= 10 lb/ft Carrow_forward3-33. If the spring on rope OB has been stretched 2 in. and fixed in place as shown, determine the tension developed in each of the other three ropes in order to hold the 225-lb weight in equilibrium. Rope OD lies in the x-y plane. Z 2 ft (-2ft,-3ft, 3ft) B 3 ft -4 ft- k = 20 lb/in. O Prob. 3-33 2-4 ft- 30° D T 4 ft 4 ft yarrow_forwardR4-5. Determine the x, y, z components of reaction at the fixed wall A. The 150-N force is parallel to the z axis and the 200-N force is parallel to the y axis 150 N -2 m. 1m 25 200 Narrow_forward
- F3-7. Determine the magnitude of forces F, F, F. that the particle is held in equilibrium. so 2. 3 Fs F2 600 N (-) 900 N Prob. F3-7arrow_forward*3-28. The street-lights at A and B are suspended from the two poles as shown. If each light has a weight of 50 lb, and the required height h of the pole DE so that cable AB is determine the tension in each of the three supporting cables horizontal. h D E 5 ft Copp 18 ft 10 ft B ooos 6 ft 24 ftarrow_forward*3-72. Determine the components of reaction acting at the smooth journal bearings A, B, and C. 450 N 0,6 m 300 N m 0.4 m 0.8 m 0.4 marrow_forward
- 3-33. If the spring on rope OB has been stretched 2 in. and fixed in place as shown, determine the tension developed in each of the other three ropes in order to hold the 225-lb weight in equilibrium. Rope OD lies in the x-y plane. Z 2 fu A X (-2ft, -3ft, 3ft) 3 ft 4 ft B k = 20 lb/in. 2-4 ft- 30° D 4 ft T 4 ftarrow_forward3-2. The members of a truss are pin connected at joint O. Determine the magnitude of F₁ and its angle for equilibrium. Set F₂ = 6 kN. 5 kN 7 kN S 30° 70° Probs. 3-1/2 0 F₁ F2 Xarrow_forwardR5-5. Determine the x, y, z components of reaction at the fixed wall A. The 150-N force is parallel to the z axis and the 200-N force is parallel to the y axis. x Z 2 m 150 N 1 m 2 m 2.5 m -200 Narrow_forward
- *3-4. Cords AB and AC can each sustain a maximum tension of 800 lb. If the drum has a weight of 900 lb, determine the smallest angle 0 at which they can be attached to the drum. B. 10arrow_forward*3–60. The 800-lb cylinder is supported by three chains as shown. Determine the force in each chain for equilibrium. Take d=1 ft. В D 135° 1 ft- 90°135° d A Prob. 3–60arrow_forward3-31. If the bucket weighs 50 lb, determine the tension developed in each of the wires. B. 30° D 30° Probs, 3-31arrow_forward
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