Q-1: The crate has a mass of 60 kg and the coefficient of static friction between the crate and the plane is = 0.28. Determine: (a) the minimum horizontal force P is required to hold the crate from sliding down the plane (b) the minimum horizontal force P required to push the crate up the plane 30° Q-1
Q-1: The crate has a mass of 60 kg and the coefficient of static friction between the crate and the plane is = 0.28. Determine: (a) the minimum horizontal force P is required to hold the crate from sliding down the plane (b) the minimum horizontal force P required to push the crate up the plane 30° Q-1
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Transcribed Image Text:Q-1: The crate has a mass of 60 kg and the coefficient of static friction between the crate and
the plane is us = 0.28. Determine:
(a) the minimum horizontal force P is required to hold the crate from sliding down the plane
(b) the minimum horizontal force P required to push the crate up the plane
P
30°
Q-1
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