A student wants to look under a heavy rock. Which simple machine would be BEST to use to lift the rock?
A B C D
Wheel and axle Lever Inclined plane Screw
Question: A student wants to look under a heavy rock. Which simple machine would be BEST to use to lift the rock?
(A) Wheel and axle
(B) Lever
(C) Inclined plane
(D) Screw

Answer: (B) Lever
Answer: (D) Screw
Question: A student wants to look under a heavy rock. Which simple machine would be BEST to use to lift the rock?
(A) Wheel and axle
(B) Lever
(C) Inclined plane
(D) Screw
Answer: (B) Lever