Can three non-coplanar vectors give zero resultant? Why?

Can the velocity of a body negative or zero ?

What is the minimum number of forces acting on an object in a plane that can produce a zero resultant force?

In case of three vector quantities of same type, where resultant cannot be zero

The minimum number of unequal forces that can have zero resultant is

Can non-coherent sources produce interference?

How can three resistors of resistances 2Omega , 3Omega , and 6Omega be connected to give a total resistance of 4Omega ?

How can three resistors of resistances 2Omega , 3Omega , and 6Omega be connected to give a total resistance of 1Omega ?

Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?

Can we have surfaces with zero friction ?

Which of the following can be a vector :