A uniform 35.5-kg beam of length ℓ = 5.60 m is supported by a vertical rope...
A uniform 35.5-kg beam of length ℓ = 5.60 m is supported by a vertical rope located d = 1.20 m from its left end as in the figure below. The right end of the beam is supported by a vertical column.
(a) Find the tension in the rope.
(b) Find the force that the column exerts on the right end of the beam. (Enter the magnitude.)
Homework Answers
a) center of mass = l / 2 = 5.60 / 2 = 2.8 m
Balancing torque
T (l - d) = m g (l/2)
T (5.60 - 1.2) = 35.5 * 9.8 * 2.8
T = 221 N
b) sigma Fy = 0
221 + F - (35.5 * 9.8) = 0
F = 126.9 N
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