Answer to Question #306211 in Physics for annon

Question

A box is initially at rest on a smooth incline. If an external force is applied upward, the box will be

a. sliding upward

b. sliding up and down the incline

c. stationary

d. sliding downward

Answer 1

According to the secon Newton's law, the body accelerates in the direction of the net force applied to it. Since initially it was in rest, the net force was zero. Thus, the upward force is the net after applying and the body will accelerate upward.

Answer. a. sliding upward.