Numerical - Magnitude of balancing mass

Q.  Determine magnitude of balancing mass required if 250 mm is the radius of rotation. Masses of A, B and C are 300 kg, 250 kg and 100 kg which have radii of rotation as  50 mm, 80 mm and 100 mm respectively . The angles between the consecutive masses are 110o and 270o respectively.
- Published on 10 Sep 15

a. 45.36 kg
b. 47.98 kg
c. 40.50 kg
d. None of the above

ANSWER: 47.98 kg

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