Question 201: Motion in 2D & Vectors

Question

If $$\left| {\overrightarrow A  + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overrightarrow B } \right|$$ then angle between A and B will be

Accepted Answer

$$\left| {\overrightarrow A  + \overrightarrow B } ight| = \left| {\overrightarrow A } ight| + \left| {\overrightarrow B } ight|$$ 
if $$\overrightarrow A \parallel \overrightarrow B $$.
$$ 	herefore $$ $$	heta $$ = 0
o

Answer

90o

Answer

120o

Answer

0o

Answer

60o.

Motion in 2D & Vectors

If $\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overrightarrow B } \right|$ then angle between A and B will be

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