Translational equilibrium
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Examples
Lessons
- Translational equilibrium of hanging masses
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Topic Notes
In this lesson, we will learn:
- Meaning of translational equilibrium
- Solving problems involving translational equilibrium
Notes:
- An object can undergo translational motion (motion that changes its position) and rotational motion (motion that changes its angle).
- An object is in translational equilibrium if the velocity of its translational motion is constant. An object that is not moving or an object that is moving in a straight line at a constant velocity would be considered in translation equilibrium. To be in translational equilibrium, the net force acting on the object must be zero (recall Newton's first law: if no unbalanced forces act on an object, it does not accelerate).
ΣF=0N
or equivalently:
ΣFx=0N and ΣFy=0N
ΣF: sum of all forces, in newtons (N)
ΣFx: sum of all force components in x direction, in newtons (N)
ΣFy: sum of all force components in y direction, in newtons (N)
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