If a number of forces act simultaneously on a particle, it is possible
(A) Not a replace them by a single force
(B) To replace them by a single force
(C) To replace them by a single force through C.G.
(D) To replace them by a couple
(A) Not a replace them by a single force
(B) To replace them by a single force
(C) To replace them by a single force through C.G.
(D) To replace them by a couple