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प्रश्न
A pendulum is made to swing in an evacuated chamber. The pendulum while swinging in the state of:
विकल्प
static equilibrium
dynamic equilibrium
neutral equilibrium
none of these
MCQ
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उत्तर
None of these
Explanation:
A swinging pendulum keeps changing its speed and direction, so it is not in equilibrium. An evacuated chamber removes air resistance but does not make the pendulums motion uniform.
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