HELP!!!!!!!!!!!! PLEASE!!!!!
The diagram shows a 15-kg box resting on a wedge which has an angle of inclination of 30° and a coefficient of friction of 0.15. Which equation correctly gives the value of Ff, the force due to friction?
A) Ff = 0.15FN
B) Ff = 0.15Fg
C) Ff = 0.15F||
D) Ff = 0.15F||F⊥
