How many calories are gained by drinking a glass of water?

An object is in static equilibrium when it is ________.  

Example of complementary unit?

Transformer is used for -

What will remain unchanged if the quantity of the commodity changes?

What is the decibel level of sound produced by two persons in conversation? 

Satellite is kept moving in its orbit around the Earth, it is due to – 

The product of mass and velocity of an object is called-