How much work would it take to push a # 1 kg # weight up a # 1 m # plane that is at an incline of # pi / 3 #?

1 Answer
Jul 21, 2017

Answer:

The work is #=8.49J#

Explanation:

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The length of the plane is #l=1m#

The angle is #theta=1/3pi#

The height of the plane is

#h=lsintheta=1*sin(1/3pi)=sqrt3/2m#

The mass is #m=1kg#

The work is equal to the potential energy

#W=mgh=1*9.8*sqrt3/2=8.49J#