Question

Mass of Plank= 500g
Mass of A - 4 Okg
Mass of B=6
Find shift of plank when both A&B meet each other in the middle of the plank.​

Answer 1

Answer:

The position of B will remian fixed wrt to ground  

So A has to move 60 cm along B  

Lets assume planks moves x distance along leftward

So m  

A

​  

×60=m  

P

​  

×x

40×60=40x

x=60m , so A and B will meet at the right end of plank

Explanation: