How much work would it take to push a 8 kg weight up a 5 m plane that is at an incline of pi / 12 ?

1 Answer
Feb 20, 2016

W~=101,56J

Explanation:

alpha=pi/12*180/pi=15^o
h=5*sin 15^o~=1,294 m
E_p=m*g*h
"Potential energy gained by object raised from ground"
E_p=W" work done equal to the Potential Energy"
W=m*g*h
W=8*9,81*1,294
W~=101,56J