Question

Take a tray. Place a small ice cube, eraser and a rupee coin on a line at one end of the tray. Now slowly lift this end of the tray why there is a change in resistance expirenced by the objects through they all slide down on the same plane ?

Answer 1

Answer:

the water melted from ice acts like a lubricant which oppose the frictional force . so , the ice cube moves faster than the all and frictional force is different for different surfaces so , we can observe difference in all the objects movement