The figure 1 shows an apparatus used to find the center of gravity of a non-uniform metal rod. The rod is supported horizontally by two wires, A and B and is in equilibrium. a. Draw a free-body diagram for the FIGURE 1 above by stating all the forces involved. b. State two conditions that must be satisfied for the rod to be in equilibrium. c. Wire B is attached to a weighing scale so that the force the wire exerts on the rod can be measured. The reading on the weighing scale is 3.0 N and the weight of the rod is 7.0 N. Calculate i. the force that wire A exerts on the rod ii. the distance x.

Question
The figure 1 shows an apparatus used to find the center of gravity of a
non-uniform metal rod. The rod is supported horizontally by two wires, A
and B and is in equilibrium.
a. Draw a free-body diagram for the FIGURE 1 above by stating all the
forces involved.
b. State two conditions that must be satisfied for the rod to be in
equilibrium.
c. Wire B is attached to a weighing scale so that the force the wire
exerts on the rod can be measured. The reading on the weighing
scale is 3.0 N and the weight of the rod is 7.0 N. Calculate
i. the force that wire A exerts on the rod
ii. the distance x.
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Transcribed Image Text

The figure 1 shows an apparatus used to find the center of gravity of a non-uniform metal rod. The rod is supported horizontally by two wires, A and B and is in equilibrium. a. Draw a free-body diagram for the FIGURE 1 above by stating all the forces involved. b. State two conditions that must be satisfied for the rod to be in equilibrium. c. Wire B is attached to a weighing scale so that the force the wire exerts on the rod can be measured. The reading on the weighing scale is 3.0 N and the weight of the rod is 7.0 N. Calculate i. the force that wire A exerts on the rod ii. the distance x.

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