A hanging spring has length 10 cm. A 100 g mass is hung from the spring , stretc

Question

A hanging spring has length 10 cm. A 100 g mass is hung from the spring , stretching it to 12 Cm what will be the length of the spring if this mass is replaced by a 200 g mass ? A hanging spring has length 10 cm. A 100 g mass is hung from the spring , stretching it to 12 Cm what will be the length of the spring if this mass is replaced by a 200 g mass ? A hanging spring has length 10 cm. A 100 g mass is hung from the spring , stretching it to 12 Cm what will be the length of the spring if this mass is replaced by a 200 g mass ?

Explanation / Answer

The stretch in the spring, x ( stretched length - original length) is proportional to force applied .

F= -k*x where k is spring constant and x is change in length of spring.

100g causes spring to stretch by 2 cm .

So for 200g, double the weight , double the force ,double the stretch and cause spring to stretch by 4 cm and total length will be 14 cm

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