How much work would it take to push a # 8 kg # weight up a # 2 m # plane that is at an incline of # pi / 4 #?

1 Answer
Nov 19, 2016

The component of downward acceleration due to gravity (#g#) along the inclined plane having angle of inclination #pi/4 # is #=gsin(pi/4)#

So to push a mass of #m= 8kg# up a distance #d=2m# along the plane the net work done will be

#w=mxxgsin(pi/4)xxd=8xx9.8xx1/sqrt2xx2N=110.87N#