Question

State the advantages and disadvantages of tha friction

Answer 1

advantages:
It helps us to walk or else no walking could be possible
It helps any vehicle to apply brake as principle of braking is friction
It helps us to write something on a piece of paper

Disadvantages:
It causes wear and tear
it causes loss of energy

Answer 2

advantages:
helps in walking
holds nail when hit by hammer

disadvantages :
most of the energy is lost because of it in the form of heat
more fuel is spent because of it
wearing and tearing of machine