asked 86.5k views
0 votes
You carry a 20 n bag of dog food up a 6 m flight of stairs. how much workwas done?

1 Answer

4 votes
Vertical stairs :P: W = (20 N) * (6.0 m) * cos (0 degrees) = 120 Joules

At 45 degrees: W = (20.0 N) * (6.0 m) * cos (45 degrees) =

(20N) * 6m) * (0.707106781) = 84.853 Joules
answered
User Mark Manning
by
7.1k points

Related questions