Explain why, a speedboat has a streamlined shape.
A speed boat has streamlined shape so as to reduce fluid friction from air as it reduces exposed area to moving air and hence the boat is able to move at very fast speed.
(a) What do you meant by 'streamlined shape'? Name an object which usually has a streamlined shape. (b) Explain why, objects moving in fluids should have streamlined shape.
Why do fishes have a streamlined body?