Problem: Find the angle between \(\mathbf{A} = \{3\,\mathbf{i} + 4\,\mathbf{j}\}\,\text{m}\) and \(\mathbf{B} = \{4\,\mathbf{j} + 3\,\mathbf{k}\}\,\text{m}\), two face diagonals of a box.
Two Edges of a Box
ID: lf8i6cduf1
Stuck? Read these first
What this problem relies on
1Note
Note
Dot Product: Angle Between Vectors and Projection of a Force
Use the dot product to find the angle between two lines and the parallel and perpendicular components of a force.
0
1
0
0
0
0
Sources & References
Reference materials
1
Engineering Mechanics: Statics
R. C. Hibbeler
2021•Pearson
2
Vector Mechanics for Engineers: Statics
F. P. Beer, E. R. Johnston Jr., D. F. Mazurek
2019•McGraw-Hill Education
3
Engineering Mechanics: Statics
J. L. Meriam, L. G. Kraige, J. N. Bolton
2018•John Wiley & Sons
4
Engineering Mechanics: Statics
A. Bedford, W. Fowler
2004•Pearson Prentice Hall
5
Engineering Statics: Open and Interactive
D. W. Baker, W. Haynes
2026
Report this comment to the editors
Editors can remove comments that break the rules.
Send feedback
Goes to the Hub 4 Mech Problem Team
Log in to send feedback, so the team can answer you.
Add to a set
Group it with other notes, problems and apps
Please log in to put content into sets.
Comments 0
Discuss the solution, ask for a hint or share another approach to this problem.
Join the discussion
Log in to comment, reply and vote. It is free.
No comments yet
Ask a question, share a tip or say thanks. Be the first!