A knife can be used to split wood into smaller pieces. The blade on a knife is considered
to be a(n)
A. lever
C. wedge
B. pulley
D. wheel and axle
2.
Which simple machine turns a Ferris wheel?
A.
inclined plane
C. wedge
B. pulley
D. wheel and axle
3.
What tool would be best used to lift a heavy object, like a refrigerator?
A. lever
C. wedge
B. screw
D. wheel and axle
4.
Which of the following is the BEST choice if you need to lift an organ to a fourth-floor
window?
A.
B.
inclined plane
lever
C. pulley
D. wedge
5.
What object uses wheels and axles but also helps us exercise?
A bicycle
C. record player
B. Car
D.
wagon​