Fig. 3.1 gives a side-on view of part of a concrete track at a skateboard park. The sketch shows a curved section with points labelled A (left), B (lowest point), and C (right).
(a)[2]
Describe how energy is transferred as the skateboarder moves from A to B to C along the concrete track.
(b(i))[2]
Calculate the work done on the skateboarder during the move from B to C.
(b(ii))[2]
State the equation that gives the force $F$ with which the skateboarder hits the track, and explain the meaning of any symbols you use.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “gravitational potential energy changes into kinetic energy and then back into gravitational potential energy” …