A uniform have metre rule,pivoted at 20cm mark balances horizontally when a mass of 50g is suspended from 4cm mark calculate the mass of the metre rule.

Question

Emmanuel · Accepted Answer

You were supposed to convert 50g to kg then find weight

bobpursley · Answer

summing moments about the 20 cm mark, and assuming the mass of the rule is at the 50cm mark. 50g(20-4)+M(20-50)=0 M=50(16/30)

Prempeh · Answer

What is the length of the half meter rule?

Anonymous · Answer

w1×m2=w2×m2 So, 16×50=30×m M=26.6

Bratz · Answer

how did you get 26.6

Eddie · Answer

So what is the correct answer

DENNIS · Answer

YES

Isaac · Answer

A uniform half metre rule, pivoted at the 20cm mark, balance horizontally when a mass of 50g is suspended from the top. Calculate the mass of the metre rule

Godfred Nsiah · Answer

The question is asking for the mass of the metre rule not the length.

Pamela · Answer

How is 20 the length