Question

what would happen if tyres of a bus and truck was not make a list of three or four activities in our daily life which involve the friction

Answer 1

Air resistance – is a force that tries to slow things down that are moving through air. It is a type of friction and sometimes called drag. Contact force – is a force that needs to touch an object before it can affect it (e.g. friction). Contact forces need to touch the thing that they are affecting.