Define the term “weight of a body”.
(a) Define mass of a body. What is the SI unit of mass ? (b) Define weight of a body. What is the SI unit of weight ? (c) What is the relation between mass and weight of a body ?
Define the term potential energy of a body. Name its two forms and give one example of each.
Define the term weight of a body.
How do you define weight of a body? What are its units?