The net force of 12 N means that there is a force acting on an object of 12 Newtons in a particular direction. Net force is the total force acting on an object, which can be calculated by considering the vector sum of all the individual forces.
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The net force is the difference between the forces exerted by John and Daniel, so their net force is 12 N - 10 N = 2 N.
The net force is the sum of the individual forces, so the net force would be 13.0 N in this case.
The net force on the barrel is the difference between the force of the barrel and the force of the pavement: 6000 N - 2000 N = 4000 N. Therefore, the net force on the barrel as it hits the pavement is 4000 N.
The net force on the book is calculated by subtracting the force of friction from the force applied by the student. In this case, the net force is 2 N (6 N - 4 N).
The net force is 150 N. When forces are added in the same direction, the net force is the sum of the individual forces.