Prove that friction can produce heat ? Give an example.
Answers
firstly fiction means the force of interlocking between any two surfaces so if we want to this law that interlocking so we have to apply energy and that is in the form of heat for example when we rub our hands we are applying mechanical energy and it is converted into heat energy
To begin, heat isn't produced by friction.
When mechanical energy is converted into thermal energy (heat) , that conversion process is known as coulomb damping or dry friction.
(…just as the process by which the electrical energy in a conductor is converted into thermal energy, the conversion process is known as resistance).
The why is actually very simple to understand:
When two dry objects in contact with each other experience a compressive force normal (perpendicular) to their relative motion with one another, they will tend to experience a force that retards this relative motion that is constant for all nonzero velocities and is proportional to the normal force.
When that force retards the motion over a distance (as it must if the velocity is nonzero) then that force does work ( W = F d ).
Hope it helped you