A, B, C and D are four masses carried by a rotating shaft at radii 100 mm, 156 mm, 152 mm and 200 mm respectively. The planes in which the masses rotate are spaced at 500 mm apart. The magnitude of the masses B, C and D are 9 kg, 5 kg and 4 kg respectively. Find the required mass A and the relative angular settings of the four masses so that the shaft shall be in complete balance.

A, B, C and D are four masses carried by a rotating shaft at radii 100 mm, 156 mm, 152 mm and 200 mm respectively. The planes in which the masses rotate are spaced at 500 mm apart. The magnitude of the masses B, C and D are 9 kg, 5 kg and 4 kg respectively. Find the required mass A and the relative angular settings of the four masses so that the shaft shall be in complete balance.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.20P: Locate the instant center of rotation of bar AB for each case shown.

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