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.

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.

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The force of the earth that pulls objects toward itself is called magnetic force.

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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

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

Name the force generated by a bar magnet.

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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

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

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

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

Cotyledons are also called-

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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

What is magnetism?

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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

Which force can be used to gather iron pins scattered on the floor?

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

A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad?

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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

Recall and complete the concept map given below:

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