Two masses of 2.0 kg are shown in the diagram with the forces acting on them. In

Question

Two masses of 2.0 kg are shown in the diagram with the forces acting on them. Initially the masses are at rest and each is 1.0 m from the origin.

a) (5 points) What is the net force on the two-mass object? ___________ i + __________ j

b) (5 points) What is the acceleration of the center of mass of the system? ___________ i + __________ j

c) (5 points) How far does the center of mass move in the first 2.0 s? _______________

d) (5 points) How much work is done on the mass with 6.0 N of force during the first 2.0 s?

Explanation / Answer

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