Friction, resulting in heat
Friction
you will die
rub them together
You should rub your hands together for at least 20 seconds when using an alcohol-based hand rub, ensuring that all surfaces of your hands are covered to effectively kill germs.
You can feel heat when you rub your hand together!
Rubbing your hands together when using an alcohol-based hand rub helps to ensure that the product covers all surfaces of your hands, including between fingers and under nails. This action helps to maximize the effectiveness of the hand rub in killing germs and reducing the spread of infections.
ur hand will probably turn black
tsunamis and earthquakes
Yes, of course!
When we rub two objects together then heat energy is generated.
Nothing happens. I have amber and wear it with wool and other clothing. At the very most there is friction.
To hand make fire, you can rub two sticks together. This is a long, tedious process but is the only way to do it without a flame.