Force

 ADITYA EDUCATION POINT

: *Force* : a push or a pull on an object is called force. Force may impart motion to an object.

 *•*  it is applied on an object in the same direction add to one another.

•  Magnitude: the strength of a force is usually expressed by its magnitude

•  State of motion: The state of motion of an object is described by its speed and the direction of motion.

: There are mainly  4 types of force can be classified as follow:-

: 1 muscular force.

2•  Contact force 

3    non  contact force

4    grativational force

: We define one bye one each of the forces as follow

: •  Muscular Force: The force resulting due to the action of muscles is known as the muscular force.

•  Contact Force: The force which is applied when it is in the contact with the object.


•  Non-contact force: The force exerted on an object without touching it known as non contact force.


•  Gravitational force: the attractive force of earth which acts upon all the objects is called force of gravity or gravitational force.

: Next topic is pressure

: Main question is what is pressure

 •  Pressure: The force acting on a unit area of a surface is called pressure. It acts perpendicular to the surface on which pressure is exerted.    

 


•  Pressure= force/area on which it acts. Lesser the area, greater is the force.


•  Both liquids and gases exert pressure on the wall of their containers.

[6/17, 7:55 PM] Ok: •  Atmospheric pressure: The pressure on the atmospheric air is known as atmospheric pressure. This weight of air column over a unit 1cm   (Square).

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