Which of the following bodies, each with centre of gravity G, lying on a horizontal table, is/are in unstable equilibrium?
Attached Figure / Diagram
A
II only
B
III only
C
I & IV only
D
II & III only
Verified Correct Answer: B.
Physical Principles & Numerical Solution
- I & II are in neutral equilibrium. They will roll continuously on the table
- III is a body with high centre of gravity (unstable)
- IV is a body with high centre of gravity (stable)
Source: Myschool Past Questions Archive (Record #55787)