To create a net force of zero on the object, the applied force must counteract the existing force both in magnitude and direction. We have an existing force of 33 newtons acting downward on the object. To balance this force and achieve a net force of zero, the applied force must be equal in magnitude but opposite in direction.
Let's go through the options:
A. a 33-newton force pointing upward – This force would be equal in magnitude to the existing downward force and opposite in direction, which satisfies the conditions for a net force of zero.
B. a 1-newton force pointing upward – This force is not equal in magnitude to the existing downward force and would not balance it out. The net force would not be zero.
C. a 33-newton force pointing left – This force is equal in magnitude but it points perpendicularly to the direction of the existing force. It would not cancel out the downward force. The net force would not be zero.
D. a 1-newton force pointing right – Similarly to option C, this force points perpendicularly to the existing force and is not equal in magnitude. It would not create a net force of zero.
E. a 0-newton force pointing downward – This is effectively no additional force since it's zero newtons, hence it would not affect the original downward force, and the net force would not be zero.
Therefore, the correct option to create a net force of zero on the object is:
A. a 33-newton force pointing upward
