An object placed on a ground is in stable equilibrium. If the objects is given a slight push, then initially the position of centre of gravity:
moves nearer to ground
may remain at same level
rises higher above the ground
remains as such
A
rises higher above the ground
B
moves nearer to ground
C
remains as such
D
may remain at same level
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Solution
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A stable equilibrium is a state in which a body tends to return to its original position after being disturbed.
At the instant of slight pushing the body rises higher above the ground due to increase in its potential energy , but it again tends to lose the potential energy to attain the equilibrium position.
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