How much work does it take to raise a #31 kg # weight #86 m #?

1 Answer
Dec 18, 2015

Answer:

#26.127kJ#

Explanation:

By definition, work is the vector dot product of the resultant force with the displacement moved in the direction of the resultant force. ie. #W=int vec F * d vecx#

Thus, assuming the object is lifted directly upwards,

#W=(31xx9.8)xx86=26.127kJ#