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

Electrostatic force produces heat.

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Frictional force produces heat.

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Magnetic force produces heat.

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Gravitational 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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