![]() Such objects are said to be in a state of dynamic equilibrium. From this we note that equilibrium can also apply to moving objects provided they are moving at a constant velocity. This is a direct result of Newton’s first law which states that a body remains at rest or moving with a constant velocity unless an unbalanced force acts upon it. The inertia force present due to the fact that the mass has an acceleration,Īn object is said to be in a state of static equilibrium if the sum of all forces and moments acting on the object are zero and the object is at rest.The drag force due to the presence of air,.The tension force in the suspension cable,.Free body diagram for a swinging pendulum (right). ![]()
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