Our palms get warmed up when rubbed together. This is because of:

Gravitational energy

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Friction

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Electrostatic force

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All of the above

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Solution

The correct option is B Friction
Friction opposes the relative motion between two surfaces in contact. It acts on both surfaces. Our palm gets warmed up when rubbed together because friction between any two surfaces in motion produces heat.
The force exerted by a charged body on another charged or uncharged body is known as electrostatic force.
Every object in the universe, whether small or large, exerts a force on every other object. This force is known as the gravitational force.

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Similar questions

Two uncharged bodies when rubbed together get charged. This is because of:

Assertion:- If we rub our hands together for several seconds, we will notice that our hands feel warm.

Reason:- This is because $C h e m i c a l e n e r g y \to M e c h a n i c a l e n e r g y \to H e a t e n e r g y$

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