Physics. PLEASE HELP!

two blocks of masses m1 and m2 (m1>m2) are placed on a frictionless table in contact with each other. A horizontal force of magnitude F is applied to the block of mass m1. if P is the magnitude of the contact force between the blocks, what are the net forces acting on m1 and m2? Assume that "to the right" is the positive direction

a) on m1: F+P on m2: -P
b) on m1: F-P on m2: +P
c) on m1: -P on m2: F+P
d) on m1: +P on m2: F-P
e) on m1: +P on m2: F+P

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    bobpursley

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