In the free body diagrams involving the wedges we have use of vector m – McqOptions

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1.	In the free body diagrams involving the wedges we have use of vector math, so for two vectors A and B, what is A.B (if they have angle ‚âà√≠¬¨¬± between them)?$#
A.	\|A\|\|B\| cos‚âà√≠¬¨¬±
B.	\|A\|\|B\|
C.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ(\|A\|\|B\|) cos‚âà√≠¬¨¬±
D.	\|A\|\|B\| sin‚âà√≠¬¨¬±
Answer» D. \|A\|\|B\| sin‚âà√≠¬¨¬±

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