How much work would it take to push a #2 kg # weight up a # 7 m # plane that is at an incline of # pi / 12 #?

1 Answer
May 7, 2016

Answer:

#35.5J#

Explanation:

Work done #W=mglsintheta#
where #"mass"(m)=2kg#
#"length of the plane"(l)=7m#
#"Angle of inclination of the plane"(theta)=pi/12#
#"Acceleration due to gravity(g)"=9.8m/s^2#

#"Work done(W)"=2xx9.8xx7xxsin(pi/12)=35.5J#