7. When using a broom to sweep a floor, your mechanical advantage will be lens
than 1 and your fulcrum will be your hand at the top of the broom. This incans
the broom acts as which class of lever?
A. First
C. Third
B. Second
D. Fourth
8. In using a wheel barrow to carry loads like soil and rocks, you put these at the
center of the machine. What class of lever is a wheel barrow?
A. First
C. Third
B. Second
D. Fourth
9. Denise made the table below for her science report. She needs to add a title to
the table
?
Type
Description
First fulcrum in middle of arm
Second load in middle of arm
Third effort force in middle of arm
Which is the best title for Denise's table?
A. How to Use a Lever
B. Three Classes of Levers
C. The Six Simple Machines
D. Real World Examples of Levers
10. What should you do to reduce the amount of effort needed to lift something
using a first-class lever?
A. move the fulcrum to the middle of the lever
B. move the fulcrum to the end of the lever
C. move the fulcrum closer to the effort
D. move the fulcrum closer to the load
11. What is one purpose of the wedge?
A. Make the surface of different object smoother,
B. Move an object from one place to another
C. Separate or cut through an object.
D. Make the object a different color.
12. How do you use a wedge?
A. Move the wedge
C. Lift the wedge into the air.
B. Rotate the wedge.
D. Apply pressure to the wedge.
13. Which of these is NOT a wedge?
A. Screwdriver
C. scissors
B. saw
D. knife
14. Which of the following is an example of an inclined plane you might find in
your house?
A. the doorknob on your bedroom door
B. the bed that you sleep in
C. the blades of a fan used to cool your room
D. the wheels on your desk chair
15. A class 3 lever has the
in the middle
A. effort
C. fulcrum
B. load
D, distance

PLS REAL ANSWER
NO JOKING! ​