Question

uses and harms of friction

Answer 1

it is necessary in many applications to prevent slipping and sliding.
it helps in every thing like walking, dancing, writing driving cars etc

Answer 2

$\huge\bold\color {green}{Hello \: Friend \: !!}$


$\red{\bold {Here \: is \: your \: answer}}$


$\underline\bold{Question : Uses \: and \: Harms \: of \: Friction}$


$\underline\bold{ \: 1. \: Harms \: of \: Friction}$


↪ Friction between various parts of machines lead to a loss of energy. Therefore friction reduces the efficiency of machines.


↪ Friction causes wear and tear of moving machine parts.


↪ Friction between rotating parts of a machine produces heat and causes damage.



$\underline\bold{ \: 2. \: Uses \: of \: Friction}$


↪ Nails and screws hold the wooden boards together due to friction.


↪ Power is transmitted from motor to a machine by a friction belt.


↪ Friction allow us to walk.


↪ Friction allow us to climb trees.


↪ Friction allow us to write.


$\bold {\large { " Friction \: is \: a \: necessary \: evil " }}$


$\mathbb {\huge {\fcolorbox {yellow}{green}{Hope It Helps}}}$