2. A rope is tied to a weight at A. The rope passes over two frictionless pulleys B and E. The other end of the rope is fixed to a rigid wall at F. A second weight is suspended from the axle of a third frictionless pulley, which is allowed to run along the rope between B and E. Assuming the system is in a state of static equilibrium calculate: b) B A=20kg V... D=10kg Figure Q2.1 E F W!!! The angle, a. A modified system is shown in figure Q2.2, where two extra frictionless pulleys have been added (C and G) and a weight H has been attached at the previously tethered end of the rope. The weight at H is initially supported from below The support is then

Structural Analysis
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Chapter2: Loads On Structures
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2.
A rope is tied to a weight at A. The rope passes over two frictionless
pulleys B and E. The other end of the rope is fixed to a rigid wall at F.
A second weight is suspended from the axle of a third frictionless pulley,
which is allowed to run along the rope between B and E. Assuming the
system is in a state of static equilibrium calculate:
b)
B
A=20kg
gº
A=20kg
D=10kg
Figure Q2.1
E
The angle, a.
A modified system is shown in figure Q2.2, where two extra
frictionless pulleys have been added (C and G) and a weight H has
been attached at the previously tethered end of the rope. The
weight at H is initially supported from below. The support is then
removed allowing the weight H to fall and the angle a to change.
Calculate the following:
B
C
E=10kg
Figure Q2.2
F
F
G
H=30kg
Transcribed Image Text:2. A rope is tied to a weight at A. The rope passes over two frictionless pulleys B and E. The other end of the rope is fixed to a rigid wall at F. A second weight is suspended from the axle of a third frictionless pulley, which is allowed to run along the rope between B and E. Assuming the system is in a state of static equilibrium calculate: b) B A=20kg gº A=20kg D=10kg Figure Q2.1 E The angle, a. A modified system is shown in figure Q2.2, where two extra frictionless pulleys have been added (C and G) and a weight H has been attached at the previously tethered end of the rope. The weight at H is initially supported from below. The support is then removed allowing the weight H to fall and the angle a to change. Calculate the following: B C E=10kg Figure Q2.2 F F G H=30kg
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