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 #?

1 Answer
May 18, 2017

Answer:

The work is #=509.2J#

Explanation:

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#