Question

Hello Friends...
Explain the states of equilibrium and define power with its unit.
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Answer 1

Answer:

$\huge{\boxed{Equilibrium}}$

It is a state of balanced linear translational forces and rotational torques on a body.

In other words , we can say that when torques or forces are balanced , only then a body is in equilibrium.

Equilibrium are of 3 types :

1. Stable equilibrium

2. Unstable equilibrium

3. Neutral equilibrium

Detailed discussion of the states of Equilibrium :

1. Stable equilibrium :

The body is present in an equilibrium state such that if it is slightly displaced from the mean position, it will return back to its mean position.

2. Unstable equilibrium:

The body is in equilibrium state such that if it is slightly displaced from the mean position, then it will move away from the mean position and not return to its mean position.

3. Neutral equilibrium:

The body is in equilibrium state such that if it is slightly displaced, then it will stay at that position. Neither will it move away , nor will it come back to the mean position.

$\huge{\boxed{Power}}$

Power is defined as the rate of doing work.

Mathematically,

P = work done/Time

It's SI unit is (Joule/seconds) or (Watts)

Answer 2

Answer:

EQUILIBRIUM:

It is a state of balanced linear translational force and rotational torques on a body.

OR

We can say that when torques or forces are balanced only then a body is in equilibrium.

There are three types of equilibrium:

1. Stable Equilibrium

2. Unstable Equilibrium

3. Neutral Equilibrium

Explanation:

Detailed discussions of the state of Equilibrium:

1.Stable Equilibrium:The body is present in an Equilibrium state such that if it is slightly displaced from its mean position, then it will return back to its mean position.

2. Unstable Equilibrium:The body is in Equilibrium state such that if it is slightly displaced from its mean position and not returns back to its mean position.

3. Neutral Equilibrium:The body is in Equilibrium state that if it is slightly displaced than it will

stay at that position.Neither will move away ,nor will come back to the mean position.

POW€R

It is defined as the rate of doing work or the rate at which work is done is known as power.

POWER = WORK/TIME

P=W/T

Its SI UNIT is J/S

Derivation of its SI UNIT:

P=W/T

=J/S { SI UNIT of Work is Joule and SI UNIT of Time is Second}

And the other SI UNIT is WATT that is given under the name of James Watt.