Question

Please answer parts A and B:

To stretch a certain spring by 2.20 cm from its equilibrium position requires 8.50 J of work.

Part A :

What is the force constant of this spring? k k = N/m

Part B :

What was the maximum force required to stretch it by that distance?

Answer 1

Concept – we use the concept of the spring force and work done in stretching the spring. Force is maximum when elongation is maximum.

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