JAMB - Physics (2010 - No. 36)
The diagram above represents balls in an undulating surface. Which of the following option represents positions of stable equilibrium?
III, IV and VIII
II, V and VIII
III, VI and IX
I, IV and VII
Giải thích
A bod y is said to be in stable equilibrium if after a slight displacement, the body returns to its former position. Thus, position III, VI and XI represents position of stable equilibrium