The effort 'P' to be applied horizontally to pull a weight 'W' on a plane inclined at an angle α with the horizontal is given by (tan θ is the coefficient of friction)-A-P = W tan (α + θ)B-P = W tan (α θ)C-D--A-P = W tan (α + θ)

A P = W tan (α + θ) No answer description is available.