A motor supplies a constant torque M = 6 kNm to the winding drum that operates the elevator. The elevator has a mass of 800 kg, the counterweight C has a mass of 200 kg, and the winding drum has a mass of 600 kg and radius of gyration about its axis of k = 0.6 m. Neglect the mass of the pulleys. (Figure 1) Figure 94°F Sunny (0.8 m 1 of 1 Pro

A motor supplies a constant torque M = 6 kNm to the winding drum that operates the elevator. The elevator has a mass of 800 kg, the counterweight C has a mass of 200 kg, and the winding drum has a mass of 600 kg and radius of gyration about its axis of k = 0.6 m. Neglect the mass of the pulleys. (Figure 1) Figure 94°F Sunny (0.8 m 1 of 1 Pro

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A force of P = 20 N is applied to the cable, which causes the 245-kg reel to turn without slipping on the two rollers A and B of the dispenser. Neglect the mass of the cable. Each roller can be considered as an 18-kg cylinder, having a radius of 0.1 m. The radius of gyration of the reel about its center axis is kg = 0.42 m. (Figure 1) Figure P 30% 250 mm OG 500 mm A o OB -400 mm- Part A Determine the angular velocity of the reel, measured counterclockwise, after it has made two revolutions starting from rest. Express your answer using three significant figures. Enter positive value if the angular velocity is counterclockwise and negative value if the angular velocity is clockwise. W= Submit VE ΑΣΦ 41 Provide Feedback Request Answer vec ? rad/s Next >
If the speed of the shaft, as shown in Figure 1 below, is 220 rev/min, calculate the magnitudes and orientations of the bearing reactions at A and B for the two-mass system. Given a = b = 250 mm, c = 50 mm, R1 = 60 mm, R2 = 40 mm, m1 = 2 kg, and m2 = 1.5 kg.
Figure 5 shows a lever ABC pivoted at B and having a mass of 6 kg and a grinding radius of 75 mm at B. The lever GDF has a uniform section pivoted at G and has a mass of 1.2 kg. It carries a mass of I kg in F. The ECD chain has a mass of 1 kg and always moves on a vertical axis. It carries a mass of 1kg in E. K1 and K2 spring has a constant of 400 N/m and 1 kNm. Find the natural E K, 50 mm B C A K2 200 mm 300 mm 50 mm G F 350 mm 100 mm frequency of the system. Ignore all pendulum effects. [Ans: 14.68 rad/s]
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Find βW for the torque- angle diagram shown. The enclosed areas are , A1 = 400 J , A2 = 800 J , A3 = 550 J and A4 = 150 J Find the moment of inertia for a flywheel which will keep the speed within the range 410 to 416 rev/min. and find the mass of a suitable flywheel with a radius of gyration of 0.5 m.
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