Question: theta = 6 0 degrees a = 7 5 mm b = 2 0 mm c = 3 0 mm 1 0 0 kg crate

theta =60 degrees
a =75 mm
b =20 mm
c =30 mm
100 kg crate and pallet. If us=0.4 between the pallet and the floor, find the tension in chains and min us at A & B of the tongs for no slipping. I know the answer is 0.66 but idk how .
theta = 6 0 degrees a = 7 5 mm b = 2 0 mm c = 3 0

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