How much work would it take to push a # 12 kg # weight up a # 5 m # plane that is at an incline of # pi / 3 #?

Question

1157 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-05-18T05:06:39

The work is #=509.2J#

We resolve in a direction parallel to the plane #↗#

The work done is

#W=F*d#

The force is the component of the weight

#F=mgsintheta#

Therefore,

#W=mgsintheta*5#

#=12gsin(1/3pi)*5#

#=60gsin(1/3pi)#

#=509.2J#