A force of 0.8 newton causes a spring to extend by 4 cm. What is the spring constant? 20 N per meter 56 N per meter 32 N per meter 40 N per meter

asked Mar 23, 2022 47.3k views

21 votes

A force of 0.8 newton causes a spring to extend by 4 cm. What is the spring constant?

20 N per meter
56 N per meter
32 N per meter
40 N per meter

5.3k points

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9 votes

Answer:

20 N per meter

Step-by-step explanation:

k = Fe

f = 0.8N

e = 4cm change to m = 4 ÷ 100 = 0.04

0.8 ÷ 0.04 = 20 N per meter

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