$100$ 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.......... $N$
$1000$
$500 $
$250$
$0$
The unit vector parallel to the resultant of the vectors $\vec A = 4\hat i + 3\hat j + 6\hat k$ and $\vec B = - \hat i + 3\hat j - 8\hat k$ is
“Explain the meaning of multiplication of vectors by real numbers with an example.”
Angular momentum is
Define scalar and vector physical quantities with their examples.
The change in a vector may occur due to .....