Lb in to k ft
1
Select W18 x 55 with bMn = 345 k-ft. for Lb = 12 ft. and Cb = 1.0. For Cb = 1.37, bMn = 345 x 1.37 = 472.65 k-ft. but must be ≤ bMp = 420 k-ft. Therefore, for Cb = 1.37, bMn = 420 k-ft., which is < Mu (421.44 k-ft), (NOT OK!) Select W 21 x 55 with bMn = 388 k-ft. for Lb = 12 ft. and Cb = 1.0
[DOC File]Lecture 3-1 STUDENT MASTER COPY
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= (1.929 ft) (15.00 lb) (2.298 ft) (25.98 lb) = 30.77 lb ft. Mb = (30.77 lb ft) k. Sample Problem 3.4 - A rectangular plate is supported by brackets at . points A and B and by a wire CD between points C and D as shown. If the tension in the wire is 200 N, determine the moment about A of the force exerted by the wire at point C. Solution: Ma ...
[DOCX File]California State Polytechnic University, Pomona
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= 0.94 kJ/kg · K. Neglecting potential energy effects, determine the rate of heat transfer to the carbon dioxide, in kW. 56.1 kW. 8 . Steam enters a well-insulated nozzle at 300 lbf/in.2, 600°F, with a velocity of 100 ft/s and exits at 40 lbf/in.2 with a velocity of 1800 ft/s.
[DOC File]EGR 280 – Mechanics Problem Set 1 - Oakland University
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If θ = 30°, determine the stiffness k of the spring so that the rod is in equilibrium. Ans: k = 11.2 lb/ft. 3.7 . Determine the distance d for placement of the load P for equilibrium of the smooth bar in the position θ as shown. Neglect the weight of the bar.
[DOC File]Chapter 2
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*7-39. A 96-lb block rests on a table where (k = 0.4. A cord tied to this block passes over a light frictionless pulley. What weight must be attached to the free end if the system is to accelerated at 4 ft/s2? F = (kN = 0.2 (96 lb); F = 19.2 lb. W – 19.2 lb = 12 lb + 0.125 W; W = 35.7 lb…
[DOC File]FORMULA SHEET - Homestead
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hp = lb x fpm / 33,000 hp = ft-lb x rpm / 5,252 kW = hp x 0.7457 hpMetric = hp x 1.0138 Horsepower as defined by Watt, is the same for AC and DC motors, gasoline engines, dog sleds, etc. Horsepower and Electric Motors . Torque = force x radius = lb x ft = T Speed = rpm = N Constant = 5252 = C HP = T x N / C
[DOCX File]University Of Maryland
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An inexhaustive list of Agricultural Nutrient Management Relationships. fertilizer. 1 unit weight of P. 2 O: 5 = 0.44 weight of P in P. 2 O 5 (units don’t matter; 1 g P 2 O 5 = 0.44 g P; 1 lb P 2 O 5: = 0.44 lb P) . 1 unit weight of K. 2: O = 0.83 weight of K in K. 2: O (as above, units don’t matter; they just …
[DOC File]Chapter 2
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K = ½mv2 = ½(75 slugs)(80.66 ft/s)2; K = 244,000 ft lb. 9-3. A 2500-kg truck traveling at 40 km/h strikes a brick wall and comes to a stop in 0.2 s. (a) What is the change in momentum? (b) What is the impulse? (c) What is the average force on the wall during the crash?
[DOC File]Set #1 - CCSF
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4. Determine the moment about the origin O of the force F = – (1.5lb)i + (3lb)j –(2lb)k which acts at a point A. Assume that the position vector of A is . a) r = (2.5ft)i – (1ft)j + (2ft)k. b) r = (4.5ft)i – (9ft)j + (6ft)k. c) r = (4ft)i – (1ft )j + (7ft)k. Answer: a) Mo= ( - 4i + 2j + 6k ) ft-lb. b) Mo= (0i – 0j - 0k ) ft-lb
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