Located on a balance table are the following masses and their positions.100 gm @(0,4), 200gm@(2,-5), 300gm@(3,7) and 400gm(5,0).Determine the total torque about the x and y axis.Determine the location of the center of gravity for these masses.Where would a 1000 gm mass be placed to bring the system into equilibrium?

Answered: Located on a balance table are the…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section: Chapter Questions

Problem 1STP

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The axis of Earth makes a 23.5 angle with a direction perpendicular to the plane of Earth’s orbit. As shown below, this axis precesses, making one complete rotation in 25,780 y. (a) Calculate the change in angular momentum in half this time. (b) What is the average torque producing this change in angular momentum? (c) If this torque were created by a pair of forces acting at the most effective point on the equator, what would the magnitude of each force be?
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