The net force on the object on which four forces are acting on is 20 N to the right.
The net force acting on an object is the vector sum of all the forces that act upon an object.
Net force gives the resultant force acting on a given object at given period of time.
Mathematically, the net force on an object can be obtained by applying Newton's second law of motion as follows.
F(net) = ma
where;
m is the mass of the object
a is the acceleration of the object
The net vertical force on the object is calculated as follows;
F(upward) = 100 N - 100 N = 0 N
The net horizontal force on the object is calculated as follows;
F(horizontal) = 50 N - 30 N = 20 N
Thus, the net force on the object is acting towards the right of the object.
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