Question: A 2 . 0 - k g box rests on a plank that is inclined at an angle of 6 5 above the horizontal. The

A 2.0-kg box rests on a plank that is inclined at an angle of 65 above the horizontal. The upper end of the box is atfached to a spring with a force constant of 380Nm, as shown in the figure below. If the coefficient of static friction between the box and the plank is 0.24, what is the maximum amount the spring can be stretched and the box remain at rest?
A 2 . 0 - k g box rests on a plank that is

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