Answer the following :
(i) A vector has magnitude & direction. Does it have a fixed location in space? Can it vary with time.
(ii) Will two equal vectors `vec(a)` & `vec(b)` at different locations in space necessarily have identical physical effects?
(iii) Can three non zero vectors, not in one plane, give a zero resulatnt? Can four vectors do ?
(iv) Can a vector have zero magnitude if one of its components is not zero?

Answer

(i) No, Yes (ii) No, (iii) No, Yes (iv) No