What is the stiffness of the spring if, when a weight of 200 g is lifted to it, it stretches 5 cm?
| February 1, 2021 | education
m = 200 g = 0.2 kg.
g = 9.8 m / s ^ 2.
x = 5 cm = 0.05 m.
k -?
m * g = k * x.
k = m * g / x.
k = 0.2 kg * 9.8 m / s ^ 2 / 0.05 m = 39.2 N / m.
Answer: k = 39.2 N / m.
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