Question

can we have situation in which an object is not in equilibrium even though the net force is zero? give two examples​

Answer 1

Answer:

Yes! Such an equilibrium situation is called dynamic equilibrium .

A body is said to be in equilibrium if the net force acting on the body is zero. By Newton's second law, the acceleration of such objects will be zero. Zero acceleration implies a constant velocity. Constant velocity also includes zero velocity as a special case. So an object in equilibrium can either have zero velocity or a constant non-zero velocity.

A bomb just about to explode is not in equilibrium, even though the net force on the object is zero. In other words, "equilibrium" includes not only external equilibrium in terms of acceleration, pressure, temperature, moment of torque, electromagnetic and particle radiation.

Explanation:

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