Select the choice that best completes the following sentence.

Simple machines
A. reduce the amount of energy needed to do work.
B. are tools that make work easier.
C. are made up of multiple moving parts.
D. cannot be combined to make compound machines.

Question

Select the choice that best completes the following sentence.

Simple machines
	A. 	 reduce the amount of energy needed to do work.
	B. 	 are tools that make work easier.
	C. 	 are made up of multiple moving parts.
	D. 	 cannot be combined to make compound machines.

anonymous · Answer

definition of simple Machines -any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever.

petiteme · Answer

Are tools that make work easier?

anonymous · Answer

Yes its B.

petiteme · Answer

Thought so ^_^