Physics, asked by rishita183, 9 months ago

A uniform metre rule balances horizontally on a knife edge at 58 cm mark when a weight of 20 gf suspended at one end. What is the weight of the metre rule?

(a) 100 gf

(b) 105 gf

(c) 580 gf

(d) 57.5 gf

Answers

Answered by tonytabor120

4

Answer:

Anticlockwise moment=clockwise moment

W x (58-50)=20gf x (100-58)

W x 8=20gf x 42

W = 20gfx42/8 = 105 gf

Explanation:

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