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

Answer:

#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#