A rubber band has spring constant of 36 N / m. If you stretch the rubber band 0.02 m past its neutral length, what force does the rubber band apply?

Question

Physics

Brenda Santana

29 August, 10:43

A rubber band has spring constant of 36 N / m. If you stretch the rubber band 0.02 m past its neutral length, what force does the rubber band apply?

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Answers (2)

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Fernando Fernandez · Answer 1

Fernando Fernandez 29 August, 13:04

0

It's 36 [N/m] x 0.02 [m] = 0.72 N

Isabela Swanson · Answer 2

0.72 N

Explanation:

K = 36 N/m, y = 0.02 m

The force applied by teh rubber band is given by

F = - k x y

F = - 36 x 0.02 = - 0.72 N

The negative sign shows the direction of force which is opposite to the direction of displacement.