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2 March, 23:50

An unstretched spring has a length of 10. centimeters. When the spring is stretched by a force of 16 newtons, its length is increased to 18 centimeters. What is the spring constant of this spring?

A) 2.0 N/cm

B) 1.6 N/cm

C) 0.89 N/cm

D) 1.8 N/m

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Answers (2)
  1. 3 March, 00:25
    0
    First, we should understand the spring constant. Different springs may have different spring constants. A spring constant tells us that how much force is needed to bring a 1-centimeter stretch in a particular spring. Here the force applied is 16 N and the change in length is 8 cm. (18-10). Now we divide 16 by 8 and we get 2. So 2 N force is required here to bring a 1 cm stretch in this specific spring. So, the answer is A. 2.0 N/cm.
  2. 3 March, 02:33
    0
    A) 16N/8cm=2N/cm

    ; )))
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