Name __________________________________ Date ________________Hour ______

PROBLEMSET:  WORK

   

W stands for __________________ and is measured in ______________(_______)
F stands for __________________ and is measured in ______________(_______)
d stands for __________________ and is measured in ______________(_______)

1.  A box is pushed 40 m by a mover.  The amount of work done was 2240J.  How much force was exerted on the box?

W =

F =

d =

2.  A person expended 500 Newtons to move a full wheelbarrow 30 meters.  How much work was done?

W =

F =

d =

 

3.  Find the distance a ball traveled if it is 20.0 N and it took 780 J to move it. 

W =

F =

d =

 

4.  What is the amount of WORK needed to life a book weighing 20.0 N a distance of 2.0m

W =

F =

d =

 5.  The brakes on a car do 240,000 J of work stopping the car.  If the car travels 40m while the brakes are being applied, what is the force the brakes exert on the car?

W =

F =

d =