If a 10 N force is acting downward on an object and a 5 N force is acting upward. a. the object will move downward
b. the object will move upward
c. the object has a net force of 15 N
d. the object has a 15 N force downward
e. the object has a 15 N force upward

Dc versus ac problem. suppose your dc power supply is set to 15 v and the vertical setting on the oscilloscope is at 5 v/div. how many divisions will the trace deflect if you connect the output of the power supply to the scope with the a input switch set on dc? how many divisions if the switch is on ac?