Answer:
The net force on the box is 30 N to the right.
Step-by-step explanation:
To find the net force on the box, we must add all of the forces together. In order to do this successfully, we must establish a positive and a negative direction. Let’s say that the positive direction is towards the right and the negative direction is towards the left.
Knowing this, we can set up the following equation:
Net force = F1 + F2
Now we can substitute in our known values for the forces given in the problem.
Net force = 60 N + (-30 N)
If we simplify and solve, we get
Net force = 60-30 = 30 N
Since we established the right as the positive direction, we know that the answer is 30 N to the right. If we think about this problem conceptually, this answer makes sense because the 30 N force to the left cancels out 30 N of the force towards the right, because they are acting in opposite directions.
Hope this helps!