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A uniform half metre rule can be balance...

A uniform half metre rule can be balanced at the 29.0cm mark when a mass 20g is hung from its one end.
(a) Draw a diagram of the arrangement
(b) Find the mass of the half metre rule.
( c) In Which direction would the balancing point shift if 20g mass is shifted inside from its one end?

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(b) 105 g (c ) towards 25 cm mark
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ICSE-FORCE -EXERCISE 1(A) Numericals
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  4. The diagram in Fig.1.29 shows two forces F1=5N and F2=3N acting at poi...

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  5. The forces each of magnitude 10N act vertically upwards and downwards ...

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  6. Fig.1.31 shows two forces each of magnitude 10N acting at points A and...

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  7. A steering wheel of diameter 0.5m is rotated anticlockwise by applying...

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  8. A uniform metre rule is pivoted as its mid point. A weight of 50gf is ...

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  9. A uniform metre rule between horizontally on a knife edge placed at th...

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  10. The diagram below (Fig.1.32) shows a uniform bar supported at the midd...

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  11. Fig.1.33 shows a uniform metre rule placed on a fulcrum at its mid poi...

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  12. When a boy weighing 20 kgf sits at one end of a 4m long see saw, if ge...

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  13. A physical balance has its arms of length 60cm and 40cm. What weight k...

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  14. The diagram in Fig.1.34 shows a uniform metre rule weighing 100gf, piv...

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  15. A uniform metre rule of weight 10gf is pivoted at its 0 mark. (i) Wh...

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  16. A uniform half metre rule can be balanced at the 29.0cm mark when a ma...

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  17. A uniform metre rule of mass 100g is balanced on a fulcrum at mark 40c...

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  18. In Fig.1.35 a uniform bar of length l m is supported at its ends and l...

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