Using hooke's law f spring = k dela x, find elastic constant of a spring that stretches 2cm when a 4 newton force is applied to it answers in the picture

2 N/cm  (B)

Given that:

Spring stretches = 2 cm ,

Force  = 4 N,

determine

            the spring constant/elastic constant ( k)= ?

            We know that from hook's law, F = k.x  N

                                                                 4 = k × 2

                                                                => k  =4/2

                                                                         = 2 N/cm

The elastic constant is 2 N/cm

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