Magnetic force or magnetism is the force by which a magnet attracts metals such as iron, nickel and other magnetic materials. It may also repel each other with the help of a magnetic force that acts between the same poles of the magnet.

Magnetic force or magnetism is the force with which a magnet attracts metals such as iron and nickel, and other magnets. Magnets may also repel each other with the help of a magnetic force. A magnet has a North and a South poles.

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There is one force which is exerted by all matter on all other matter. Which force is this?

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Important Questions on Force and Pressure

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Science>Physics>Force and Pressure>Non-contact Forces

Calculate the number of electrons constituting one coulomb of charge.

MEDIUM

Science>Physics>Force and Pressure>Non-contact Forces

A body has a negative charge of

1 μc

. It means the body has gained:

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Science>Physics>Force and Pressure>Non-contact Forces

Explain why, magnetic force is said to be a non-contact force.

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Science>Physics>Force and Pressure>Non-contact Forces

What is magnetism?

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Science>Physics>Force and Pressure>Non-contact Forces

When a ball is dropped from a height, its speed increases gradually. Name the force which causes this change in speed.

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Science>Physics>Force and Pressure>Non-contact Forces

Give one practical application of magnetic force.

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Science>Physics>Force and Pressure>Non-contact Forces

A ball thrown up falls down due to the action of _____ force.

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Science>Physics>Force and Pressure>Non-contact Forces

Name the various types of forces.

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Science>Physics>Force and Pressure>Non-contact Forces

_____ is the force exerted by a magnet on magnetic substances.

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Science>Physics>Force and Pressure>Non-contact Forces

Name two non-contact forces.

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Science>Physics>Force and Pressure>Non-contact Forces

An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?

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Science>Physics>Force and Pressure>Non-contact Forces

A small device pulls iron nails from a distance. Which type of force is involved in this process?

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Science>Physics>Force and Pressure>Non-contact Forces

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Science>Physics>Force and Pressure>Non-contact Forces

It was _____ who first observed the falling of an apple from the top of a tree and discovered gravitational force. (Sir Isaac Newton / Galileo Galilei)

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Science>Physics>Force and Pressure>Non-contact Forces

What is meant by a non-contact force? Explain with the help of an example.

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Science>Physics>Force and Pressure>Non-contact Forces

What is magnetism?

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Science>Physics>Force and Pressure>Non-contact Forces

When a plastic pen is rubbed in dry hair, it attracts tiny pieces of paper. Which force is involved in this process?

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Science>Physics>Force and Pressure>Non-contact Forces

Name the force generated by a bar magnet.