If $\vec P = \vec Q$ then which of the following is NOT correct
$\hat P = \hat Q$
$|\,\vec P\,|\, = \,|\,\vec Q\,|$
$P\hat Q = Q\hat P$
$\vec P + \vec Q = \hat P + \hat Q$
$100$ coplanar forces each equal to $10 \,N$ act on a body. Each force makes angle $\pi /50$ with the preceding force. What is the resultant of the forces.......... $N$
The expression $\left( {\frac{1}{{\sqrt 2 }}\hat i + \frac{1}{{\sqrt 2 }}\hat j} \right)$ is a
Identify the vector quantity among the following
If $\overrightarrow A $ is $(3,\, 4)$ unit, then show that the value of its unit vector is $1$.
Given vector $\overrightarrow A = 2\hat i + 3\hat j, $ the angle between $\overrightarrow A $and $y-$axis is