What's the step-by-step for 'How To Find the Mass' of an object? Example:

Question

1. (Directions)
2. (More of Directions)
And so on, thanks if anyone can help!
P.S. Were using Triple-Beam Balances' to find the mass if the helps.

Answer 1

http://www.physics.smu.edu/~scalise/apparatus/triplebeam/

Answer 2

Thank You so much! Thank You Thank You! This was really helpful =D

Answer 3

http://sciencespot.net/Pages/classmetric.html