Question 51: Motion in 2D & Vectors

Question

$\overrightarrow A $ is a vector quantity such that $|\overrightarrow A |$ = non-zero constant. Which of the following expression is true for $\overrightarrow A $ ?

Accepted Answer

$\overrightarrow A  	imes \overrightarrow A  = A 	imes A 	imes \sin 0^\circ $
$ = 0$

Answer

$\overrightarrow A \,.\,\overrightarrow A  = 0$

Answer

$\overrightarrow A  	imes \overrightarrow A  < 0$

Answer

$\overrightarrow A  	imes \overrightarrow A  = 0$

Answer

$\overrightarrow A  	imes \overrightarrow A  > 0$

Motion in 2D & Vectors

\overrightarrow A $ is a vector quantity such that $|\overrightarrow A |$ = non-zero constant. Which of the following expression is true for $\overrightarrow A $ ?

Choose the correct answer: