2. (30 points) In order to hold a 130-kg crate in a stationary position, a worker exerts a force P at an angle 0 on a ro
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2. (30 points) In order to hold a 130-kg crate in a stationary position, a worker exerts a force P at an angle 0 on a ro
2. (30 points) In order to hold a 130-kg crate in a stationary position, a worker exerts a force P at an angle 0 on a rope as shown. Determine the normal stress in the 15-mm diameter rope AB when 0 = 20°. B С
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