What is an Inertia?How many types it have? Explain with examples.
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there are three types of inertia: ... inertia of rest: this is the resistance offered by the body to remain in rest unless an external force is not applied on the body. eg.:if a carpet is beaten with a stick then the dust particles due to inertia of rest tends to remain in rest while the fibers of carpet becomes in motion.
Explanation:
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Definition :
Inertia is defined as the force which keeps stationary objects to stay still (remain at rest) or moving objects in motion at the same speed and in the same direction unless it is stopped by an external force. It can also be defined as the resistance of an object to resist change by remaining in its state of rest or in motion.
Types of Inertia :
Inertia of Rest - When the resistance is offered by the body to continue in the state of rest unless an external force acts on it.
Inertia of Direction - When the resistance is offered by the body to continue the motion in the same direction unless an external force acts on it.
Inertia of Motion - When the resistance is offered by the body to continue to be in the uniform motion unless an external force acts on it.
Examples of Inertia :
1. Satellites - A satellite is an object in space that circles or moves around a larger object. Due to the inertia of motion, which keeps it moving in a circular motion.
2. Falling of fruits and leaves - It’s due to the inertia of rest. Before shaking, the branch is at rest, but when the tree is shaken, the branch starts moving, whereas the fruits and the leaves remain in their initial state of rest. Thus, they fall down.
3. Driving along a curved road - While driving along a curved road, you must have felt like you are flying out of the car. It’s because of the inertia of direction, which tends to keep your motion in a straight line.
4. Dusting a carpet - The dust particles fall off the carpet due to the inertia. When you beat the carpet with a stick, the carpet starts moving but the dust particles in it remain in their initial state of inertia of rest. The repeated beating of the carpet causes the dust particles to drop, thus, giving you a clean carpet.