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Two wires run from the top of a pole 2.6 m tall that
Chapter 3, Problem 29P(choose chapter or problem)
(III) Two wires run from the top of a pole tall that supports a volleyball net. The two wires are anchored to the ground
apart, and each is
from the pole (Fig. 9-63). The tension in each wire is
. What is the tension in the net, assumed horizontal and attached at the top of the pole?
Questions & Answers
QUESTION:
(III) Two wires run from the top of a pole tall that supports a volleyball net. The two wires are anchored to the ground
apart, and each is
from the pole (Fig. 9-63). The tension in each wire is
. What is the tension in the net, assumed horizontal and attached at the top of the pole?
ANSWER:
Step 1 of 5 The angular momentum of an object about an axis of rotation ismeasured by the product of the linear momentum of the object andthe perpendicular distance between the object and the axis of rotation’ If no external torque acts on a system, the total angular momentum ofthe system remains constant.When no external force is acting on the system, the sum of the initiallinear momenta of all the particles in the system is equal to sum of thefinal momenta of those particles.Resolve the velocities of each piece into components along horizontal andvertical directions. Now apply conservation of momentum principle ineach direction.