The diagram above represents balls in an undulating surfa...
The diagram above represents balls in an undulating surface. Which of the following option represents positions of stable equilibrium?
A.
III, IV and VIII
B.
II, V and VIII
C.
III, VI and IX
D.
I, IV and VII
Correct answer is C
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