Jenny is sitting on a sled on the side of a hill inclined at 15°. What force is required to keep the sled from sliding down the

hill if the combined weight of Jenny and the sled is 90 pounds?

Question

Matias Meza

1 August, 09:27

+2

Answers (2)

Know the Answer?

Sierra · Answer 1

504 N

Explanation:

The force that starts the sled to slide down is:

F = mg sin Ф = 90lb * 9.81m/s² * sin 15° = 198.4kg * 9.81m/s² * sin 15°

Chef · Answer 2

23.3 pounds

Explanation:

Follow the steps from the pre-calculus textbook on p. 504

Jenny is sitting on a sled on the side of a hill inclined at 15°. What force is required to keep the sled from sliding down thehill if the combined weight of Jenny and the sled is 90 pounds?