Question

(i
14. The diagram in Fig. 1.34 shows a uniform metre rule
weighing 100 gf, pivoted at its centre 0. Two weights
150 gf and 250 gf hang from the points A and B
respectively of the metre rule such that OA = 40 cm
and OB = 20 cm. Calculate : (i) the total anticlockwise
moment about O, (i) the total clockwise moment about
O, (iii) the difference of anticlockwise and clockwise
moments, and (iv) the distance from O where a 100 gf
weight should be placed to balance the metre rule.
18. In
at
In
RA
40 cm
A
B
1
-20 cm
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150 gf
Fig. 1.34
250 gf
Ans. (i) 6000 gf cm, (ii) 5000 gf cm, (iii) 1000 gf cm,
(iv) 10 cm on the right side of O.​

Answer 1

Answer:

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Explanation:

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