Which of the following objects is not in a state of equilibrium? A. A hot air ba

Question

Which of the following objects is not in a state of equilibrium? A. A hot air balloon floating with a constant velocity while maintaining its height B. A race car maintaining a constant velocity C. A motorcycle turning around a corner D. A chandelier hanging from the ceiling Which of the following objects is not in a state of equilibrium? A. A hot air balloon floating with a constant velocity while maintaining its height B. A race car maintaining a constant velocity C. A motorcycle turning around a corner D. A chandelier hanging from the ceiling A. A hot air balloon floating with a constant velocity while maintaining its height B. A race car maintaining a constant velocity C. A motorcycle turning around a corner D. A chandelier hanging from the ceiling

Explanation / Answer

A body is said to be in equilibrium if it continues its state of rest or its state of uniform motion. Equilibrium can be categorized in two ways:

1) Static equilibrium: If a body is at rest and remains at rest, then the equilibrium is said to be static equilibrium.

2) Dynamic equilibrium: If a body is initially moving with some velocity and it continues its motion rectilinearly with the same velocity, or if the body is rotating with some initial angular velocity and the angular velocity remains constant, then the body is said to be in dynamic equilibrium.

So:

(A) Constant velocity-> equilibrium

(B) Constant velocity-> equilibrium

(C) Accelerating -> not in quilibrium

(D) Rest -> equilibrium

So the answer is : C. A motorcycle turning around a corner

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