Answered: 0.750 m -1.50 m 2.25 m C Figure P12.12

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0.750 m -1.50 m 2.25 m C Figure P12.12

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 36PQ

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Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.

Question

A vaulter holds a 29.4-N pole in equilibrium by exerting an upward force with U^→ her leading hand and a downward force D^→ with her trailing hand as shown in Figure P12.12. Point C is the center of gravity of the pole. What are the magnitudes of (a) U^→ and (b) D^→ ?

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