Question: 49 If the plane surface has a u= 0.75 and inclines 20 to the horizontal, what minimum mass, attached to the string, will 2.0 kg

49 If the plane surface has a u= 0.75 and inclines

49 If the plane surface has a u= 0.75 and inclines 20 to the horizontal, what minimum mass, attached to the string, will 2.0 kg just get the block moving? [6] ? 20

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