Verification of 2nd

condition of equilibrium on

A condition in which all influences

acting cancel each other, so that a static or

balanced situation results.

Static Equilibrium:

When a state of rest is maintained by

the object

Dynamic Equilibrium:

When a state of constant nonzero velocity

is maintained

1/21/2015 Adnan Aslam , HITEC University Taxla, pakistan

Working Principle

The sum of all the torques(clock

wise & counter clock wise) acting on a

body is zero.

or

(it is necessary for the body to achieve

complete equilibrium)

1/21/2015 Adnan Aslam , HITEC University Taxla, pakistan

The moment cause by

resultant force about some

arbitrary point is equal to

the sum of moment due to

all of the component forces

of the system.

1/21/2015 Adnan Aslam , HITEC University Taxla, pakistan

Parts:1. Calibrated Ruler 2. Column 3. Base 4. Weight hangers

Mathematically :

F1d1 + F2d2 = F3d3

1/21/2015 Adnan Aslam , HITEC University Taxla, pakistan

Seesaw

Gear Shafts

Support In large Cranes

Construction

1/21/2015 Adnan Aslam , HITEC University Taxla, pakistan

1/21/2015 Adnan Aslam , HITEC University Taxla, pakistan