Question

Give examples to show that friction is both a friend and a foe.​

Answer 1

$\bf\red{Advantages\:of\:the\:friction:}$

a) Due to friction, we are able to walk.

b) We are able to write because of the friction between the tip of the pen and paper.

$\bf\red{Disadvantages\:of\:friction:}$

a) Because of friction, the tires and soles of shoes wear out.

b) Friction produces heat between different parts of the machines. This can damage the machines.

Thus,friction is both a friend and a foe.

Answer 2

Answer:

a) Because of friction, the tires and soles of shoes wear out.

b) Friction produces heat between different parts of the machines. This can damage the machines.

Thus,friction is both a friend and a foe.