PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Potential (V) at a point in space is given by V=x2+y2+z2. Gravitational field at a point (x,y,z) is:
(A) −2xi^−2yj^−2zk^
(B) 2xi^+2yj^+2zk^
(C) xi^+yj^+zk^
(D) −xi^−yj^−zk^