Question

a uniform meter rule balances horizontally on a knife edge placed at 42cm mark when a weight of 40 gf is sudpended from one end 1) draw a diagram of the arrangement 2)what is the weight of the ruler?​

Answer 1

Answer:

w = 1160gf

Step-by-step explanation:

w = $\frac{40x58}{2}$

Then I multiply 40 by 58

= 2320

And then I divide 2320 by 2

= 1160

weigth = 1160gf

I TRIED

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