A force of 15 N toward the WEST is applied to a 4.0 kg box. Another force of 42 N toward the EAST is also applied to the 4.0 kg box. The net force on the 4.0 kg box is
A) 57 N toward the WEST.
B) 27 N toward the EAST.
C) 36 N toward the WEST.
D) 36 N toward the EAST.
E) 17 N toward the WEST.

Question

Quizplus · Accepted Answer

The net force is calculated by subtracting the smaller force from the larger force and taking the direction of the larger force. Here, 42 N (EAST) - 15 N (WEST) = 27 N toward the EAST.

A Force of 15 N Toward the WEST Is Applied