A 6-kg mass is connected to a 4-kg mass by a massless cord. A 120-N upward force is applied to the 6-kg mass, causing both masses to accelerate upward. The tension in the massless cord is
A) 60 N.
B) 40 N.
C) 72 N.
D) 48 N.

Question

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The Answer of A 6-kg mass is connected to a 4-kg mass by a massless cord. A 120-N upward force is applied to the 6-kg mass, causing both masses to accelerate upward. The tension in the massless cord is
A) 60 N.
B) 40 N.
C) 72 N.
D) 48 N.

A 6-Kg Mass Is Connected to a 4-Kg Mass by a Massless