Question

A spring scale hung from the ceiling stretches by 5.5 cm when a 1.3 kg mass is hung from it. The 1.3 kg mass is removed and replaced with a 1.7 kg mass. What is the stretch of the spring?

Answer 1

First, find the spring constant of the spring.

Given that the spring scale hung from the ceiling stretches by 5.5 cm when a 1.3 kg mass is hung from it.

Use Hooke's Law

Here the force is the weight of the hanging mass.

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The 1.3 kg mass is removed and replaced with a 1.7 kg mass. What is the stretch of the spring?

Use Hooke's Law

ANSWER:

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