on a smooth table are placed to blocks in contact. (i) a horizontal force of 5 N is applied on the

on a smooth table are placed two blocks in contact. (i) a horizontal force of 5.0 newton is applied on the 20 kg block as shown. state by what force this block presses 10 kg block (ii) if the above force is applied on the other side of the 10 kg block then by what force the 20 kg block will press the 10 kg block?.