(a)[1]
Define the gravitational field strength.
(b(i))[2]
Calculate the weight of the object on the surface of Mars.
(b(ii))[2]
Calculate Mars’s volume.
(c(i))[2]
Draw and label one arrow on Fig. 2.1 to indicate both the size and the direction of the resistive forces on the buggy.
(c(ii))[1]
1. State the effect this has on the resultant force on the buggy on Mars. 2. State the link between resistive forces, driving force and resultant force.