A spring supporting a mass of 30 kilograms compresses 0 point 6 m How far does the spring compress when it supports a mass of 10 kilograms ?

For the same spring, the compression is proportional to the supported mass. A 10-kilogram mass is one-third of 30 kilograms, so the spring compresses one-third as far: 0.6 m ÷ 3 = 0.2 m. The correct choice is 0.2 m.

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