Question

some disadvantages of friction

Answer 1

hy....-
friction is undesirable moving at high speed because it opposes motion and less the speed.

most of our useful energy is lost as heat and sound due to friction between moving parts of machines.

in machines friction causes wear and tear of their moving parts.

hope it helps u......

Answer 2

Some disadvantages of friction::

1) It opposes the motion.

2) Forest fires are caused due to friction between branches of trees

3) Rug burn

4) Due to friction, noise is also produced in machines.

5) Due to friction, engines of automobiles consume more fuel which is a money loss.