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)

The effort 'P' to be applied horizontally to pull a weight 'W' on a pl

1.	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.	[C].
D.	[D].
Answer» B. P = W tan (α - θ)

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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)

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