Ask a New Question

A meter rule is balanced horizontally on a mass of 30kg hung 20cm from one end. If the position of the knife edge is 18cm from the centre of gravity of the rule. The weight of the rule will be.

2 answers

unclear wording ...

summing moments about knife edge:
30*(30-18)-Weight*18=0
solve for Weight of rule.
W=30*12/18 kg

Similar Questions

A meter rule is balanced horizontally on a knife edge by a mass of 30kg long 20cm from one end . If the position of the knife
1. 5 answers
A meter rule balance horizontally on a knife edge at the 55cm Mark when a mass of 50g was hung at the 85cm mark. If the balanced
1. 0 answers
A uniform meter rule on a knife edge at the 60cm Mark has a mass of 70g hung at the 90cm mark x hung at the 20cm mark to balance
1. 1 answer
A meter rule is placed horizontally at a fixed point while mass are suspended at both right and left hands of the ruler from the
1. 0 answers

more similar questions