TWO BLOCKS a AND b ARE CONNECTED BY A HEAVY ROPE OF MASS 2kg THE MASSES OF a AND b ARE 10 AND 5kg RESPECTIVELY.IF AN UPWARD FORCE OF 200N IS APPLIED TO THE TOP ROPE,THE SYSTEM IS MOVING VERTICALLY UPWARD UNDER GRAVITY
A:FIND THE ACCELERATION OF THE SYSTEM
B:WHAT IS THE TENTION AT POINT P1 AND P2 ON THE HEAVY ROPE?