Aeroplanes are streamlined to reduce .

Vehicles are streamlined to reduce

Vehicles are streamlined to reduce

Assertion : We can live very happily if friction is not present in nature. Reason : Aeroplane shape is streamlined to reduce the effort of frictional force.

Assertion and Reason. Mark the correct choice as : Assertion: We can live very happily if friction is not present in nature. Reason:Aeroplane shape is streamlined to reduce the affort of frictional force .

Along a streamline

Assertion : Cars and aeroplanes are streamlined. Reason : This is done to reduce the backward drag due to atmosphere.