Which statements are true?

Question

A.
Simple machines have no moving parts.

B.
When we use a simple machine, we do less work.

C.
A motor scooter is a simple machine.

D.
A screwdriver is a simple machine.

E.
A screw is a simple machine.

Answer 1

B. When we use a simple machine, we do less work.
D. A screwdriver is a simple machine.
E. A screw is a simple machine.