(a)[2]
Calculate the resultant of the horizontal forces shown in Fig. 2.1.
(b(i))[3]
Calculate the work done by the 40 N force as it moves the shopping trolley through 50 m.
(b(ii))[2]
As the shopping trolley starts to move, the work done on it is passed into other energy stores. State two such energy stores.
(c)[3]
Calculate the pressure on the ground caused by the pushchair and child.