Problem 3.28 (a) In outer space, far from other objects, block 1 of mass 51 kg is at position <5, 15, 0> m, and block 2 of mass 1550 kg is located at position <13, 15, 0> m. What is the (vector) gravitational force acting on block 2 due to block 1? It helps to make a sketch of the situation.