Question

Give 5 applications each of centrifugal force and centripetal force in our daily life.​

Answer 1

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Applications of centrifugal force:

i. When a car in motion takes a sudden turn towards left, passengers in car experience an outward push to the right. This is due to centrifugal force acting on the passengers.

ii. A bucket full of water is rotated in a vertical circle at a particular speed, so that water does not fall. This is because, weight of water is balanced by centrifugal force acting on it.

iii. The children sitting in merry-go-round experience an outward pull as merry-goround rotates about vertical axis. This is due to centrifugal force acting on the children.

iv. A coin kept slightly away from the axis of rotation of turn table moves away from axis of rotation as the speed of rotation of turn table increases. This is due to centrifugal force acting on coin.

v. The bulging of earth at equator and flattening at the poles is due to centrifugal force acting on it.♤♤♤

Applications of centripetal force :

i.The moon revolves around the earth is the example of centripetal force.

ii.The gravitational force of the earth provides the necessary centripetal force.

iii.Banking of roads.

iv.Washing machine dryer.

v.

Cream separator.

Answer 2

The five applications each of centrifugal and centripetal force are given below.

Explanation:

Centrifugal force:

• Centrifugal force is a kind of pseudo force in a circular motion that acts along the radius and is always directed away from the centre of the circle.
• The applications of centrifugal force are:
• The passengers sitting in a car are pushed right if the car makes a left turn due to centrifugal force.
• Water does not fall from the bucket rotating in a vertical circle at a particular speed due to centrifugal force.
• The outward pull experienced by the children on a merry-go-round is due to centrifugal force.
• The flattening of the earth at the poles and bulging at the equator is due to centrifugal force.
• A centrifuge.

Centripetal force:

• The centripetal force acts in a curvilinear motion and is always directed towards the centre of curvature or axis of rotation.
• The applications of centripetal force are:
• The passengers sitting in a car are prevented from flying off in the opposite direction of turning due to centripetal force.
• The children on a merry-go-round are prevented from flying off due to centripetal force.
• The earth revolves around the sun in elliptical orbit due to the centripetal force of gravity.
• The frictional force acting between the wheels of a car and the ground provides centripetal force when the car turns.
• In a washing machine, the final spin involves centripetal force to remove water from your clean clothes as much as possible.

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