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Muscular Force

A meteor burs...

Question

A meteor bursts when it enters the earth atmosphere. This is due to the fact that:

A

Gravitational pull

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B

Frictional force

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C

Magnetic force

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D

None of these

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Solution

The correct option is B
Frictional force

Friction can produce heat. This can be observed if you rub your palm against each other. Likewise, when a meteorite enters the earth's atmosphere, the air applies a frictional force against the motion of the meteorite. Due to this frictional force, heat is produced and the meteor starts burning and finally explodes.

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