JAMB - Physics (2019 - No. 92)
Which of the following bodies, each with centre of gravity G, lying on a horizontal table, is/are in unstable equilibrium?
II only
III only
I & IV only
II & III only
Giải thích
- 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)
- III is a body with high centre of gravity (unstable)
- IV is a body with high centre of gravity (stable)