Operation of reciprocating motion is done by a Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â source

Operation of reciprocating motion is done by a Â Â Â Â Â Â

1.	Operation of reciprocating motion is done by a Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â source
A.	power
B.	energy
C.	momentum
D.	inertia
Answer» B. energy