Directions: Choose the letter of the best answer. Write the letter of your answer
on a separate sheet of paper.
1. What kind of simple machine has a sharp edge and helps spread or cut
something?
A. lever
B. pulley
C. wedge
D. inclined plane

2. The staircase is an example of what simple machine?
A. lever
B. pulley C. wedge
D. inclined plane
3. What type of simple
machine multiplies effort force using a straight or curved
rigid bar that is free to turn about a fixed point?

A. lever
B. pulley
C. screw
D. wedge
4. Wheelchair ramps allow people in wheelchairs to get over obstacles without
much effort, what type of simple machine are these ramps?

A. inclined plane B. wedge
C. screw
D. lever
5. Why are simple machines important to people?

A. They can create products easily.
B. They can cause damage to the environment.
C. They can produce energy and movement to create work,
D. They can transform and transfer energy, multiply speed and force, and
make work faster and easier.​