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a teenager pulls a rope to the left with a force of 12 N. A child pulls on the other end of the rope to the right with a force of 7 N. The child's firend adds a force of 8 N, also pulling to the right. What will happen?

A. The net force will be 3 N to the right
B. The net force will be 15 N to the left
C. The net force will be 12 N to the right
D. The net force will be 27 N to the left

Respuesta :

The net force will be 3 N to the right.  

12N - 8N = 4N - 7N= -3N.  3N is the net force to the right.  

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