Question

what is mass and what is it' si unit please help me bhaiya or Didi​

Answer 1

Answer:

The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 x 10–34 when expressed in the unit J s, which is equal to kg m2 s–1, where the metre and the second are defined in terms of c and Cs.

Answer 2

Please mark me brainlist......