Question

If a spring stretches 6 meters when a 7-kilogram weight is attached to it, how much will it stretch when a 42-kilogram weight is attached to it?

Answer 1

Explanation:

This is a simple proportion problems.

7 kilogram weight attache to a spring stretches = 6 meters

1 kilogram would stretch = 6/7 m

Therefore 42 kilograms would stretch = (6/7 x 42)meters

= 36 meters.