How much work would it take to push a # 5 kg # weight up a # 6 m # plane that is at an incline of # pi / 3 #?

1 Answer
Dec 21, 2017

Answer:

The work is #=254.6J#

Explanation:

The height of the plane is

#h=6sin(1/3pi)=6*sqrt3/2=3sqrt3m#

The work done is equal to the potential energy gained up the plane.

The mass is #=5kg#

The acceleration due to gravity is #=g=9.8ms^-2#

#W=mgh=5*9.8*3sqrt3=254.6J#