Which statements are true?

Question

A.
A wheel & axle is a simple machine.

B.
A simple machine has only one kind of motion.

C.
We use simple machines so we don't have to do as much work.

D.
A simple machine can change the direction of force.

E.
A simple machine can change the amount of force.

Answer 1

A. A wheel & axle is a simple machine - True
B. A simple machine has only one kind of motion - False
C. We use simple machines so we don't have to do as much work - True
D. A simple machine can change the direction of force - True
E. A simple machine can change the amount of force - True