Consider a mass of 50kg attached to a spring to spring of 1800N/m and placed on a rough surface. The mass is subjected to a force F = 120cos(3t). Find the magnitude of the coefficient of friction if the maximum amplitude is not to exceed 75mm. Hint: μ ≤ 0.104 www F(t) m K -μ

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Consider a mass of 50kg attached to a spring to spring of 1800N/m and placed on a rough surface. The
mass is subjected to a force F = 120cos(3t). Find the magnitude of the coefficient of friction if the maximum
amplitude is not to exceed 75mm.
Hint: μ ≤ 0.104
ww
K
→F(t)
-ha
Transcribed Image Text:Consider a mass of 50kg attached to a spring to spring of 1800N/m and placed on a rough surface. The mass is subjected to a force F = 120cos(3t). Find the magnitude of the coefficient of friction if the maximum amplitude is not to exceed 75mm. Hint: μ ≤ 0.104 ww K →F(t) -ha
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