A proton is moving horizontally north in an electric field that points vertically upward.The electric force on the proton is
A)zero.
B)upward.
C)downward.
D)to the west.
E)to the east.

Question

Quizplus · Accepted Answer

The electric force on a proton in an electric field is directed in the same direction as the field. Since the field points vertically upward, the force on the proton is also upward.

A Proton Is Moving Horizontally North in an Electric Field