Question

When we rub our palms together vigorously, what will happen and why ?​

Answer 1

Answer:

If we rub our hand vigorously then it gets warmer due to fiction

Answer 2

$\color{crimson}\fbox \colorbox{pink}{Answer}$

When you rub your hands together, the action of scraping the surface of your skin back and forth against each other causes the molecules in your skin to move a little faster. The faster that molecules move, the higher the temperature. Because of the friction when hands rubbed together makes feel warmer.

$\pmb{\mathbb{\fbox{\red{Hope it's help you}}}}$