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asked ago in Commercial Mathematics by (53.1k points)

The amount of extension in an elastic spring varies directly with the weight hung on it, if a weight of 250 gm produces an extension of 3.5 cm, find the extension produced by the weight of 700 gm.

1 Answer

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answered ago by (93.4k points)
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Best answer

Let us consider the extension produced be ‘x’ cm.

Weight (gm)250700
Extension (cm)3.5x

250/3.5 = 700/x

By cross-multiplying

250x = 700(3.5)

250x = 2450

x = 2450/250

= 9.8

∴ The extension produced is 9.8 cm for the weight of 700 gm.

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