What is a simple machine?

A.
any object that makes work easier when a single force is applied by changing the strength or the direction of that force

B.
any combination of objects that magnifies the input force so that the output force is greater

C.
any object or group of objects, that when connected to a source of electricity, make work easier

D.
any object, that when connected to a fossil fuel source, makes work easier

@michele_laino

Question

What is a simple machine?	
 
 A.
any object that makes work easier when a single force is applied by changing the strength or the direction of that force
 
 B.
any combination of objects that magnifies the input force so that the output force is greater
 
 C.
any object or group of objects, that when connected to a source of electricity, make work easier
 
 D.
any object, that when connected to a fossil fuel source, makes work easier

@michele_laino

michele_laino · Answer

By definition, of simple machine, I think that it is the option B

bossimbacon · Answer

i got it wrong @Michele_Laino

michele_laino · Answer

I'm very sorry, then it  is the option A.