Force F = -4.4 Ni+ 6.4 N j acts on a small rock with a position vector r = 3.1 m i+ 8.5 m j relative to the origin. In unit vector notation, what is the resulting torque on the rock about the point (2.4,4.7,9.9)m?

Force F = -4.4 Ni+ 6.4 N j acts on a small rock with a position vector r = 3.1 m i+ 8.5 m j relative to the origin. In unit vector notation, what is the resulting torque on the rock about the point (2.4,4.7,9.9)m?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Scalars and Vectors

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Question

Force F = -4.4 Ni+6.4 N j acts on a small rock with
a position vector r = 3.1 m i+ 8.5 m j relative to the
origin. In unit vector notation, what is the resulting
torque on the rock about the point (2.4,4.7,9.9)m?
a. -17.6 j Nm
O b. 40.8 j Nm
O c. 57.2 (-k) Nm
d. 57.2 k Nm

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