23. State the condition when a body is in (i) static,
(ii) dynamic equilibrium. Give one example each of
static and dynamic equilibrium.
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Answer(i) When a body remains in the state of rest under the influence of the applied forces. the body is in static equilibrium. For example, a book lying on a table is in static equilibrium.
Answer(i) When a body remains in the state of rest under the influence of the applied forces. the body is in static equilibrium. For example, a book lying on a table is in static equilibrium.(ii) When a body remains in the same state of motion (translational or rotational). under the influence of the applied forces. the body is said to be in dynamic equilibrium. For example. a raindrop reaches the earth with a constant velocity is in dynamic equilibrium.
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