Examples of mass include kilogram, gram and mass is also known as weight.
Mass is a measure of the amount of matter in an object. The more mass, the more matter. The Brooklyn Bridge is quite massive - has a lot of mass, whilst a feather has slight mass.
750 pounds = 100 gallons * 7.5 pounds per gallon
A tree. There's a lot more.Mass is the amount of matter in an object.
Examples of mass include protons and neutrons.