You are currently not logged in.
To change this, fill in the following fields:
Who can read this page?
You have been granted an edit lock on this page
until Sat Jul 4 04:17:50 2020.
to finish editing.
Who can edit this page?
World editing disabled
Mass is a property of an object which measures how much basic material (protons, neutrons etc.) is present in the object. Mass in S.I. units is measured in Kilogrammes (Kg). The absolute kilogramme is a block of platinum-iridium alloy locked in a vault in France.