steel I-beam in the drawing has a weight of 8.00 kN and is being lifted at a constant What is the tension in each cable attached to its ends? 70.0 70.0 1-beam,

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My question is for problem 54 the last question. I got 4000N but I was told this is wrong. Please explain the problem thoroughly thank you.
XIXIXIX XXIXX
the box when the elevator is (a) stationary, (b) accelerating upward with an acceleration whose
magnitude is 1.20 m/s?, and (c) accelerating downward with an acceleration whose magnitude is
1.20 m/s?.
(a) 21.2 N
b) 23.8N C) 18.6 N
#5
velocity. The coefficient of static friction between the cup and the table is 0.30. Suddenly, the
plane accelerates forward, its altitude remaining constant. What is the maximum acceleration that
the plane can have without the cup sliding backward on the table?
46. A
of coffee is on a table in an airplane flying at a constant altitude and a constant
cup
2.9m/
54. The steel I-beam in the drawing has a weight of 8.00 kN and is being lifted at a constant
velocity. What is the tension in each cable attached to its ends?
70.0° 70.0°
1-beam
Transcribed Image Text:XIXIXIX XXIXX the box when the elevator is (a) stationary, (b) accelerating upward with an acceleration whose magnitude is 1.20 m/s?, and (c) accelerating downward with an acceleration whose magnitude is 1.20 m/s?. (a) 21.2 N b) 23.8N C) 18.6 N #5 velocity. The coefficient of static friction between the cup and the table is 0.30. Suddenly, the plane accelerates forward, its altitude remaining constant. What is the maximum acceleration that the plane can have without the cup sliding backward on the table? 46. A of coffee is on a table in an airplane flying at a constant altitude and a constant cup 2.9m/ 54. The steel I-beam in the drawing has a weight of 8.00 kN and is being lifted at a constant velocity. What is the tension in each cable attached to its ends? 70.0° 70.0° 1-beam
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