In a periodic motion when a body moves to and fro about a fixed mean position its acceleration.

In a periodic motion when a body moves to and fro about a fixed mean p

1.	In a periodic motion when a body moves to and fro about a fixed mean position its acceleration.
Answer» Proportional to DISPLACEMENT of BODY from MEAN position and is always directed toward the mean position Inversely proportional to displacement of body from mean position and is always directed AWAY from mean position Proportional to displacement of body from mean position and is always directed away from mean position may be proportional to displacement but UNSPECIFIED direction May be proportional to displacement but unspecified direction. Answer :A