(a)[2]
State the energy change that takes place during braking.
(b(i))[1]
Using Fig. 12.2, determine the cyclist's reaction time.
(b(ii))[2]
Using Fig. 12.2, calculate the thinking distance.
(b(iii))[1]
State how the braking distance is obtained from Fig. 12.2.
(b(iv))[2]
On Fig. 12.2 draw the cyclist's new speed-time graph.
(b(v))[3]
Explain why the braking distance is longer when the cyclist stops on a wet road.
(c(i))[2]
Calculate the force $F$ exerted by the brake lever on piston R.
(c(ii))[2]
Explain why the force applied to each of the brake pads is larger than $F$.