Question

Friction is a good friend and foes
of ours

Explain

Answer 1

friction helps us to walk .if there is no friction we would fly in air .if there is more friction we would slip

Answer 2

Friction is also considefed as necessary evil.It is said because too much of friction causes wastage of energy.But it is friction responsible for us to write and construction work is possible only due to friction , even most of the work in daily life is also relate to friction itself.

Hence it is correct to say that friction is necessary evil.

# Hope it helps.