INERTIA

INERTIA

Inertia

• Inherent property of all the bodies by virtue of which they cannot change their state of rest or uniform motion along a straight line by their own is called inertia.
• Inertia is not a physical quantity, it is only a property of the body which depends on mass of the body.
• Inertia has no units and no dimensions
• Two bodies of equal mass, one in motion and another is at rest, posses same inertia because it is a factor of mass only and does not depends upon the velocity.

***watch the video:::;https://youtu.be/YbWjx3LUc0U.......

INERTIA THREE TYPES:

1. INERTIA OF REST
2. INERTIA OF MOTION
3. INERTIA OF DIRECTION

*INERTIA OF REST:

Inertia of rest

• It is the inability of a body to change by itself, its state of rest. this means a body at rest remains at rest and can't starts moving by its own.

*EXAMPLE:

• A person who is standing freely in, thrown backward, when bus starts suddenly.

***watch the video:::;https://youtu.be/153e7DumRJE...... 

*INERTIA OF MOTION:

Inertia of motion

• It is the inability of a body to change its state of uniform motion that, a body in uniform motion an neither accelerate nor retard by its own.

*EXAMPLE:

•  A person jumping out of a moving train may fall forward.

***watch the video:::;https://youtu.be/_HFgDBIP_Gg....

*INERTIA OF DIRECTION:

Inertia of direction

• It is the inability of a body to change by itself its direction of motion that is a body continuous to movie along the same straight line unless compelled by some external force to change it.

*EXAMPLE:

• When a car goes round a curve suddenly,the person sitting inside is thrown outwards.

***Reference:::; Pradeeps fundamental of physics vol-1

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