How are the units of weight, kgf and newton related ?

State the S.I. units of weight .

State the S.I. and C.G.S. units of density. How are they related ?

How are the following derived units related to the fundamental units ? newton

How are the following derived units related to the fundamental units ? (a)Newton , (b)Watt , (c ) Joule , (d) Pascal

How are the following derived units related to the fundamental units ? watt

How are the following derived units related to the fundamental units ? pascal

Name the S.I. unit of heat. How is it related to the unit calorie?

The weights of solutes present in two isotonic solutions A and B are in the ratio 2:3. If the solutes are non-electrolytes, how are their molecular weights related ?

State two smaller units of volume. How are they related to the S.I. unit ?

A uniform seesaw, 5m long, is supported at its centre. A boy weighing 40 kgf sits at a distance of 1 m from the centre of the seesaw. (i) To which class of lever does it belong ? (ii) Find where a girl of weight 20 kgf must sit on the seesaw so as the balance the weight of the boy.