Four blocks are kept in a row on a smooth horizontal table

Last updated: 6/8/2023

Four blocks are kept in a row on a smooth horizontal table with their centres of mass collinear as shown in the figure An external force of 60N is applied from left on the 7kg block to push all of them along the table The forces exerted by them are P Q RS 7kg 5kg 2kg 1kg 60N