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Question

A meteor starts burning when it enters Earth's atmosphere. Which of the following correctly explains this?


A

Gravitational force produces heat.

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B

Frictional force produces heat.

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C

Magnetic force produces heat.

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D

Electrostatic force produces heat.

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Solution

The correct option is B

Frictional force produces heat.


Friction can produce heat. This can be observed if you rub your palms against each other. Likewise, when a meteor enters Earth's atmosphere, air applies a frictional force (air drag) against its motion. Due to this, heat is produced and the meteor starts burning.


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