A mass m = 1.35 kg and spring (with spring constant k = 440 N/m) are placed along a ramp inclined at 0 =22 degrees, as shown in the figure. The mass has been moved down the ramp by a distance Ax= 3.0 cm and this same distance is the amount the spring has been stretched from its relaxed state. What is the minimum static friction coefficient, μg such that the mass will remain stationary (neither moving up nor down the ramp from its position)? Assume that if the friction

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A mass m = 1.35 kg and spring (with spring constant k
= 440 N/m) are placed along a ramp inclined at 0 =22
degrees, as shown in the figure. The mass has been
moved down the ramp by a distance Ax = 3.0 cm and
this same distance is the amount the spring has been
stretched from its relaxed state. What is the minimum
static friction coefficient, μ, such that the mass will
remain stationary (neither moving up nor down the
ramp from its position)? Assume that if the friction
coefficient were slightly less, the mass would be pulled
up the ramp by the spring.
fs
=
k
o
m
Δx.
Ꮎ
Transcribed Image Text:A mass m = 1.35 kg and spring (with spring constant k = 440 N/m) are placed along a ramp inclined at 0 =22 degrees, as shown in the figure. The mass has been moved down the ramp by a distance Ax = 3.0 cm and this same distance is the amount the spring has been stretched from its relaxed state. What is the minimum static friction coefficient, μ, such that the mass will remain stationary (neither moving up nor down the ramp from its position)? Assume that if the friction coefficient were slightly less, the mass would be pulled up the ramp by the spring. fs = k o m Δx. Ꮎ
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