A metre stick is balanced on a knife edge at its centre . When two coins , each of mass 5 g are put one on top of the other at the 12.0 cm mark , the stick is found to be balanced at 45.0 cm . What is the mass of the metre-stick ?

A metre stick is balanced on a knife edge at its centre . When two coi

1.	A metre stick is balanced on a knife edge at its centre . When two coins , each of mass 5 g are put one on top of the other at the 12.0 cm mark , the stick is found to be balanced at 45.0 cm . What is the mass of the metre-stick ?
Answer» 56 g 66 g 76 g 86 g ANSWER :B