Question

we rub our palms together in winter

Answer 1

Heya mah!! dear friends........

we rubbed our palms together in winter season......
there's reason..............

When we rub hands friction is produced between our hands which in turns produces heat. This causes us to feel warm.

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Answer 2

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When you rub your hands together thats mechanical energy. Once you hands warm up its heat energy. itsheat energy due to the motion between the hands is changed to heat.