Physics for Scientists and Engineers with Modern Physics

4th Edition

ISBN: 9780131495081

Author: Douglas C. Giancoli

Publisher: Addison-Wesley

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Chapter 10.4, Problem 1BE

Two forces (F_B = 20 N and F_A = 30 N) are applied to a meter stick which can rotate about its left end, Fig. 10–16. Force F → B is applied perpendicularly at the midpoint. Which force exerts the greater torque: F_A, F_B, or both the same?

Chapter 10.4, Problem 1BE, Two forces (FB = 20 N and FA = 30 N) are applied to a meter stick which can rotate about its left

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Chapter 10.1, Problem 1AE

Chapter 10.7, Problem 1CE

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A meterstick is oriented in space parallel to the unit vector given byr̂ = 2/15 î + 10/15 ĵ + 11/15 k̂ , with one of its end located at the origin of a Cartesian coordinate system. Considering the origin as the pivot point, calculate the torque due to a 12.5-N force, oriented parallel to the unit vector given by r̂ = 3/13 î - 4/13 ĵ + 12/13 k̂ , acting on the meterstick at the 0.75-m mark. Express youranswer in the î - ĵ - k̂ notation. (Hint: î x ĵ = k̂, ĵ x k̂ = î, k̂ x î = ĵ )

Chapter 10 Solutions

Physics for Scientists and Engineers with Modern Physics

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Two forces ( F B = 20 N and F A = 30 N) are applied to a meter stick which can rotate about its left end, Fig. 10–16. Force F → B is applied perpendicularly at the midpoint. Which force exerts the greater torque: F A , F B , or both the same?

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