Using a lever to move a rock reduces the force a person must ...

[Deast7027]

Using a lever to move a rock reduces the force a person must exert. What does it do to the work the person must do?
 a. it reduces the work also c. the work increases
  b. the work stays the same d. none of the above

Question 2

If one were told the object's initial velocity then one could calculate the work done by using the equations for constant acceleration to find the distance traveled. When we say work is done against a force, we mean the force does
 a. none of the work c. negative work
  b. positive work d. zero work

[emilymalinowski12]

Answer to Question 1

B

Answer to Question 2

C

[Deast7027]

Thank you!

[emilymalinowski12]

Always glad to help...