Asked by james

Calculate the work done in each of the following situations.
(a) A horse pulls a wagon with a force of 1200 N and moves it 15 m.
(b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N.
-How much work is required to lift a 35-kg object from the ground 3.0 m into the air?
-How much gravitational potential energy did this object gain?
Answered by bobpursley
a. 1200*15
b. 2500*16
d. 35*9.8*3
e. same as in above.
Answered by Student
Im doing the same question and i am still confused?
Answered by Better Student
Where does 9.8 come from?
Answered by Poo
if you square root the air quality by the formula of the sound barrier, you will get the answer.
Answered by Anonymous
hi kind sir
Answered by bob
hi my names bob