Theta=? Tension(T)=? Force on A and B=?
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Theta=?
Tension(T)=?
Force on A and B=?
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- The compound pulley shown has a weight of 1600 N and the radius of gyration (k = 2 m). Find the tension in the cord supporting the 1500-N weight (TA) and tension supporting the 2000-N weight (TB) as shown2m dz - m. None of them اپن For the robot above, please determine Uo (the potential energy of Link #0) OU 9.8 OU = 5.6 OUo = 4,9 OU=19.6 * d₁, d₂ and ₂ are the joint variables m₂ = m₁ = m₂ = m₂ = 1 kg The moment of inertia of the last link is 3 kg.m². The mass centers are located on the middle point of each link.The mobile crane is symmetrically supported by two outriggers at A and two at B in order to relieve the suspension of the truck upon which it rests and to provide greater stability as shown in. Suppose that the crane and truck have a mass of 18 Mg and center of mass at G1, the boom has a mass of 1.8 Mg and center of mass at G2. The boom is supporting a load having a mass of 1.4 Mg. Determine the positive critical angle 0max (in degree) where tipping starts to OCcur. 6.25 m INI 2 m T1mlm
- C6-70 The tower crane shown in Fig. construction materials. The counterweight C weighs 31,000 N; the motor M weighs 4500 N; the weight of the boom AB is 36,000 N and can be considered as acting at point G; and the weight of the tower is 23,000N and can be considered as acting at its midpoint. is used to lift It is desired that the reaction forces at the feet D and E always be greater than 4500 N to ensure that the tower is never in danger of tipping over. Plot Wmax, the max- imum load that can be lifted as a function of the dis- tance x (04/116 The shipboard crane is supporting a load of 4 tons in the position shown where 6- 30°. The hoisting drum B is operated by a high-torque electric motor. Calculate the added compression P in the hydraulie cylinder and the magnitude R of the additional force supported by the pin at 0, both due to the effect of the 4-ton load. Ans. P = 43,100 lb, R = 35,400 lb 24 10" C B 8" D, Problem 4/1165. The pumping unit is used to recover oil. When the walking beam ABC is horizontal, the force acting in the wireline at the well head is 250 lb. Determine the torque M which must be exerted by the motor in order to overcome this load. The horse-head C weighs 60 lb and has a center of gravity at Gc. The walking beam ABC has a weight of 130 lb and a center of gravity at Gs, and the counterweight has a weight of 200 lb and a center of gravity at Gw. The pitman, AD, is pin connected at its ends and has negligible weight. -5 ft -6 ft !GB B 70° 20° 250 Ib 3 ft 2.5 ftSECW OM A motorbike wheel with an 8 kg mass has a 0.4 m radius of gyration around the z-axis, as shown in Figure. The wheel's shaft is supported by bearings A and B and rotates at a constant rate of 150 rpm in a counter-clockwise direction from the z-axis, while the frame rotates at 12 rpm in a counter- clockwise direction from the y-axis. Determine the resultant reaction forces at each bearing A and B due to the mass and gyroscopic effects. With the result of forces, which bearing has a tendency to fail first, which bearing should be considered for design purposes and explain the effect on motor if the bearing fail. y 0.55 0.4 All dimensions in meter (m)4/124 The nose-wheel assembly is raised by the applica- tion of a torque M to link BC through the shaft at B. If the arm and wheel AO have a eombined weight of 100 lb with center of gravity at G, find the value of M necessary to lift the wheel when D is directly under B, at which position angle e is 30°. 16" B Y M 20" 32" 20" Problem 4/124An inside cylinder locomotive has its cylinder centre lines 1 m apart and has a stroke of 1 m. The rotating masses per cylinder are equivalent to 100 kg at the crank pin, and the reciprocating masses per cylinder to 200 kg. The wheel centre lines are 2 m apart. The cranks are at right angles. The whole of the rotating and 2/3 of the reciprocating masses are to be balanced by masses placed at a radius of 0.8 m. Find the magnitude of the balancing mass on the right most wheel. Select one: A. 55.32 kg B. 322.3 kg C. 225.3 kg D. 115.3 kgQ1/ A compressor has three inline pistons of mass 40x 104 mg, with a crank radius of 0.04 m and ratio n of 4. the crank is equally space in angle and positioned as show. Determine the primary and secondary force and turning moment about the reference plane X when it revolves at 8.33x10 3 rad/h. KI 120° 120° K2 120° K3 KI= 5 cm. K3= 150mm, K= 0.1 m, K4= 50 mmThe 4.8 m I-beam has a mass of 900 kg and is held in the horizontal position by the pin at O and by the vertical cable which passes around the pulley at A and around the drum of the 200 kg motorized winch at B, as shown in Figure 8. If the winch motor has an output starting torque of 800 N.m, calculate the reaction forces at the pin O given the moment of inertia of the whole system including the winch, lo 7272 kg.m?. Treat the beam as a slender bar and the winch unit as a mass concentrated at the centre of the pulley.An inside cylinder locomotive has its cylinder centre lines 1 m apart and has a stroke of 1 m. The rotating masses per cylinder are equivalent to 200 kg at the crank pin, and the reciprocating masses per cylinder to 300 kg. The wheel centre lines are 2 m apart. The cranks are at right angles. The whole of the rotating and 2/3 of the reciprocating masses are to be balanced by masses placed at a radius of 0.8 m. Find the value of variation in tractive effort at 300 rpm. Select one: A. ±58476 N B. ±69780 N C. ±79654 N D. ±12475 NSEE MORE QUESTIONS