QUIZ
2. Which of the following is one of the three most basic simple machines?
a. wedge
b. screw
c. lever
d. pulley
a. wedge
b. screw
c. lever
d. pulley
3. A screw is a type of what basic simple machine?
a. wedge
b. lever
c. wheel & axle
d. inclined plane
a. wedge
b. lever
c. wheel & axle
d. inclined plane
4. Which of the following is NOT an example of a complex machine?
a. knife
b. bicycle
c. stapler
d. wheelbarrow
a. knife
b. bicycle
c. stapler
d. wheelbarrow