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F=350 N C R-0.2m Vo 2 m/s Figure Q4

F=350 N C R-0.2m Vo 2 m/s Figure Q4

Elements Of Electromagnetics
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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F= 350 N %3D C R-0.2m Vo 2 m/s Figure Q4
Transcribed Image Text:F= 350 N %3D C R-0.2m Vo 2 m/s Figure Q4
Figure Q4 shows a hoist where wheel A has mass m = 16 kg, and a moment of inertia about its centre given by Iem=12-mR2. A load B of 40 kg is carried by wheel A. %3D The load B has an initial velocity of vo 2 m/s downwards at the instant a constant force F = 350 N is applied upwards in cable C. %3! a) Draw the free body diagram for the system. Indicate your reference frame. b) Calculate the total torque about the fixed-point O. c) For the instant 2 seconds after the force is applied, calculate the angular velocity of wheel A, and the velocity of load B. d) Calculate the time after the application of the force at which the wheel is at rest.
Transcribed Image Text:Figure Q4 shows a hoist where wheel A has mass m = 16 kg, and a moment of inertia about its centre given by Iem=12-mR2. A load B of 40 kg is carried by wheel A. %3D The load B has an initial velocity of vo 2 m/s downwards at the instant a constant force F = 350 N is applied upwards in cable C. %3! a) Draw the free body diagram for the system. Indicate your reference frame. b) Calculate the total torque about the fixed-point O. c) For the instant 2 seconds after the force is applied, calculate the angular velocity of wheel A, and the velocity of load B. d) Calculate the time after the application of the force at which the wheel is at rest.
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