1 thought on “a iron block of sides 5cm×8cm×15cm has to be pushed along the floor then we required will be minimum when the surface in contact w”

Sides of block =5cm×8cm×15cm.. The force required to push the iron block is independent of the area of contact. Therefore required forces will be same for all the surfaces.

Sides of block =5cm×8cm×15cm.. The force required to push the iron block is independent of the area of contact. Therefore required forces will be same for all the surfaces.