Calculate the reactions for the overhanging beams shown. A 5'-0" 300 lb 200 lb 5'-0" 3'-0" B
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- In which direction clockwise or counterclockwise will pulley 1 rotate if pulley 2 rotates in the clockwise direction? a b(1) Determine the reactions at pins A and C of the loaded two-bar frame. Ans: A = C = 80.4 lb Note: Bar BC is NOT a 2-force member. A 3' 20 150 lb 250 lb-ft 60°et OA = [oil]. Find Ā- %3D @C- J. Find ē %3D
- 1Determine the reactions for the beam loaded as shown in figure. 12 KN |--1.5 mx R₁ 6 kN/m 3m 3 m 15 kN/m R₂6-105. Determine the reactions at pins A and B of the frame needed to support the 200-lb load. The pulley at C has a radius of 0.5 ft. The pulley at D has a radius of 0.25 ft. 4 ft C 3 ft 30° B 60% 30° Prob. 6-105 D
- 2.5 A 20-ft cantilever beam is shown in the figure below. Load W, =200 lb, or W2 500 lb, or both may be applied at the mid- point B or at the end of the beam C. The bending moment induced at the fixed support A, MA, will depend on the magnitudes of the %3D %3D loads at B and C. 10 ft 10 ft A B C 20-ft cantilever beam. (a) Determine the sample space of MA. (b) Define the following events: E, = (MA > 5,000 ft-lb) Ez = (1,000 < MA < 12,000 ft-lb) %3D Ez = (2,000, 7,000 ft-lb) Are the events E, and Ez mutually exclusive? Explain why.In the figure four particles are fixed along an x axis, separated by distances d = 3.80 cm. The charges are q1 = +4e, q2 = -e, q3 = +e, and q4 = +12e, with e = 1.60 × 10-19 C. What is the value of the net electrostatic force on (a) particle 1 and (b) particle 2 due to the other particles? d d d 1 3 4 (a) Number 3.273E-25 Units N (b) Number Units NPavnm.m.
- A capacitor is constructed with two parallel metal plates each with an area of 0.61 m2 and separated by d = 0.80 cm. The two plates are connected to a 5.0-volt battery. The current continues until a charge of magnitude Q accumulates on each of the oppositely charged plates.%3D 7. Find a particular soltion for the equation y" + 3y' + 2y = 10e³3t .