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Questions and Answers
What is equilibrium?
Equilibrium is a state of rest due to the equal action of opposing forces.
What is stable equilibrium?
Stable equilibrium is when a particle displaced slightly from a position experiences a force that brings it back to its initial position.
What is unstable equilibrium?
Unstable equilibrium is when a particle displaced slightly from a position experiences a force that displaces it further from the equilibrium position.
What is neutral equilibrium?
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What is dynamic equilibrium?
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What is static equilibrium?
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Study Notes
Equilibrium Concepts
- Equilibrium is a state where all forces acting on an object are balanced, resulting in a state of rest.
- It occurs due to equal opposing forces acting on an object.
Stable Equilibrium
- Defined as a condition where a slight displacement from the initial position leads to a force that restores the object to its original position.
- Example: A marble at the bottom of a bowl returns to its resting position when nudged.
Unstable Equilibrium
- Characterized by a situation where a slight displacement results in a force that pushes the object further away from its initial position.
- Example: A marble balanced precariously on top of a hemispherical bowl will fall off if disturbed.
Neutral Equilibrium
- In this state, a slight displacement does not result in any force acting on the object, allowing it to maintain equilibrium in the new position.
- The object remains balanced without returning to the original position or moving away.
Static Equilibrium
- Occurs when the resultant of all forces acting on the body is zero, meaning no net acceleration and the velocity is also zero.
- The object is at rest, indicating it does not move and remains stationary.
Dynamic Equilibrium
- Describes a condition where the resultant of all forces is zero, leading to zero net acceleration while the object maintains a constant velocity.
- In this state, the body is in motion but continues at a constant speed, without changing direction.
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Description
This quiz explores the concepts of stable, unstable, static, and dynamic equilibrium, as well as partial and general equilibrium. Understand the principles governing forces and their equilibrium states through practical examples and definitions. Test your knowledge on how different types of equilibrium affect objects in motion and at rest.
