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Problem Solving

Force constan...

Question

Force constant of a spring is 100 N/m. If a 10 kg block is attached, the extension in the spring is:

1 m

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10 m

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0 m

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4 m

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Solution

The correct option is A 1 m
$m = 10 k g, k = 100 N / m, x = ?$
$F = m g = 10 \times 10 = 100$
$F = k x$
$100 = 100 \times x$
$x = 1 m$
hence,extension in spring is 1m.

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