A 400 -Pound Trailer Is Sitting on an Exit Ramp $31 ^ { \circ }$

Multiple Choice

A 400 -pound trailer is sitting on an exit ramp inclined at $31 ^ { \circ }$ on Highway 35 . How much force is required to keep the trailer from rolling back down the exit ramp? Round answer to two decimal places.

A) $206.02$ pounds
B) $342.87$ pounds
C) $274.44$ pounds
D) $308.65$ pounds
E) $325.76$ pounds