Question

(a) A uniform half metre rule balances horizontally on
a knife edge at 29 cm mark when a weight of 20 gf is
suspended from one end.
[3]
(i) Draw a diagram of the arrangement.
(ii) What is the weight of the half metre rule ?​

Answer 1

Answer:

A uniform half metre rule balances horizontally on a knife edge at 29 cm mark when a weight of 20 gf is suspended from one end. ... The difference in the centre of gravity and the point of balance = 29-25 =4 cm (Y). The weight is suspended at one of the extremes, Let us assume at the 50 cm end.

Explanation:

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