Considering two force vectors F1 =F1i+F1j+F1k and F2 = F2i+ F»j+F2k with their unitvectors ui = F1 /Fi= (ux)i+ (uiy) j+ (u12) k and u2 = F2 / F2= (u2) i+ (uz)j+ (u2:), which offollowing are valid calculations for the resultant force FR = F1 + F2? (circle all correct responses)FR = (Fix+ F2x)i+(Fty+F2»)j+ (F1z+ F2)kb. FR = (F: + F2) [(uix+ uzx)i+ (uly+uz)j+ (u1z + u2:2) k]c. FR = (F? + F?)05 [(u1x+ uz)i+ (u¡y + uz) j+ (uiz + uz:) k]d. FR = (F1uix +F2uz)i+(F1u1y+F2u2)j+ (F1u1: +F2u2)kа.%3D%3Dс.%3D%3DConsider two vectors A and B with unit vectors u = A/ A and ug = B / B and angle between Aand B is 0. Which of the following are correct with regard to dot products? (circle all correctresponses)а.A·B is a scalarb. A-B is a vectorc. If A and B are parallel, then the magnitude of A·B is the product A*Bd. If A and B are perpendicular, then A B = 0с.е.UA'UB = cos0Considering springs, cables, and pulleys, which of the following are correct statements? (selectall correct responses)a. A spring can only carry tensile forcesb. A cable can only carry tensile forcesc. A spring can carry both tensile and compressive forcesd. A cable can carry both tensile and compressive forcesA cable running over a frictionless pulley will have the same internal force throughout itslength

Answered: Image /qna-images/answer/d020c684-7f95-44b5-8492-2b6ac8505fd1.jpg

Considering two force vectors F1 =F1i+F1j+F1k and F2 = F2i+ F»j+F2k with their unit vectors ui = F1 /Fi= (ux)i+ (uiy) j+ (u12) k and u2 = F2 / F2= (u2) i+ (uz)j+ (u2:), which of following are valid calculations for the resultant force FR = F1 + F2? (circle all correct responses) FR = (Fix+ F2x)i+(Fty+F2»)j+ (F1z+ F2)k b. FR = (F1 +F:) [(uix+ u2x)i+ (uty+ u2)j+(u1z + u2:) k] FR = (F?+ F?)0.5 [(U1x + uz:) i+ (u¡y + uz) j + (uiz + uz:) k] d. FR = (Fiuix+F2uzx)i+ (F1uly+ F2u2y)j+ (F1 u1z + F2uz) k а. %3D %3D с. %3D %3D

Considering two force vectors F1 =F1i+F1j+F1k and F2 = F2i+ F»j+F2k with their unit vectors ui = F1 /Fi= (ux)i+ (uiy) j+ (u12) k and u2 = F2 / F2= (u2) i+ (uz)j+ (u2:), which of following are valid calculations for the resultant force FR = F1 + F2? (circle all correct responses) FR = (Fix+ F2x)i+(Fty+F2»)j+ (F1z+ F2)k b. FR = (F1 +F:) [(uix+ u2x)i+ (uty+ u2)j+(u1z + u2:) k] FR = (F?+ F?)0.5 [(U1x + uz:) i+ (u¡y + uz) j + (uiz + uz:) k] d. FR = (Fiuix+F2uzx)i+ (F1uly+ F2u2y)j+ (F1 u1z + F2uz) k а. %3D %3D с. %3D %3D

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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