Centre of masses of the system lies on the axis of rotation.
A. 1, 2, 3 and 4
B. 1, 2, and 3 only
C. 2, 3 and 4 only
D. 1, 3 and 4 only
Answer:D
Centre of masses of the system lies on the axis of rotation.
A. 1, 2, 3 and 4 B. 1, 2, and 3 only C. 2, 3 and 4 only D. 1, 3 and 4 only