Which of the following is a vector
Pressure
Surface tension
Moment of inertia
None of these
Which of the following is a scalar quantity
A plane covers $500 \,m$ in direction $60^o$ with run-way while starting the flight. Find the distance covered by plane in horizontal and vertical direction.
Any vector in an arbitrary direction can always be replaced by two (or three)
If $\overrightarrow A $ is $(3,\, 4)$ unit, then show that the value of its unit vector is $1$.
The angle made by the vector $A = \hat i + \hat j$ with $x-$ axis is ....... $^o$