Que animales respiran por las branquias

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

In what direction does an applied force move an object