A force F=-36.0 Nî+ 42.0 Nj is exerted at the end of a wrench that is trying to loosen a hexagonal nut on a bolt. A position vector from the center of the bolt to the end of the wrench is 7 = 18 cmi +12 cmj. Use the method of cyclic permutation to perform the cross product. a. Calculate the torque on the wrench by this force. Remember, torque is a vector. b. Using the vector cross product relationship, calculate the angle between the position vector and the force. Answer: 84.0°. X
A force F=-36.0 Nî+ 42.0 Nj is exerted at the end of a wrench that is trying to loosen a hexagonal nut on a bolt. A position vector from the center of the bolt to the end of the wrench is 7 = 18 cmi +12 cmj. Use the method of cyclic permutation to perform the cross product. a. Calculate the torque on the wrench by this force. Remember, torque is a vector. b. Using the vector cross product relationship, calculate the angle between the position vector and the force. Answer: 84.0°. X
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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I got Part A really well in finding the torque but I am struggling to find the angle theta in part B.
Transcribed Image Text:1. A force F = -36.0 Nî + 42.0 Nĵ is exerted at the end of a wrench that is trying to loosen
a hexagonal nut on a bolt. A position vector from the center of the bolt to the end of the
wrench is 7 =18 cmi +12 cmĵ. Use the method of cyclic permutation to perform the
cross product.
a. Calculate the torque on the wrench by this force. Remember, torque is a vector.
b. Using the vector cross product relationship, calculate the angle between the position
vector and the force. Answer: 84.0°.
X
F
(2
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