Answered: Force vector B has a magnitude of 60 kN…

Force vector B has a magnitude of 60 kN and both of its components, along x and y axis, are positive. The resultant of force vectors A and B is force vector C having a magnitude of 80 kN.

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter6: Some Methods In The Calculus Of Variations

Section: Chapter Questions

Problem 6.15P

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Question

(4-5)

Force Vector A = 45i kN
Force Vector B = xi + yj kN
Force vector B has a magnitude of 60 kN and
both of its components, along x and y axis, are
positive. The resultant of force vectors A and B
is force vector C having a magnitude of 80 kN.
4. What is the value of angle between vector B
and C? Express your answer in unit of degree.
5. What is the scalar triple product of force
vectors A, B, and C?

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