Define weight .What is the weight of mass 2 grams ing SI system ?

Define mass: What is the SI unit of mass?

Define Atomic weight.

Define atomic weight.

What is the SI unit of weight?

Define the SI unit of mass (or) What is one kilogram in SI system of units?

In a new system of units, unit of mass is taken as 50 kg. unit of length as 100 m and unit of time is 1 minute. What will be the weight of a body in this system, if in SI sysem, its weight is 10 N?