Force = N
(c) Piston Y starts at rest, rises slowly and then comes to rest.
State how the following energy stores have changed from before the motion to
after the motion is complete.
(4)
Energy store
Change
gravitational potential energy
of piston X
gravitational potential energy
of piston Y
chemical energy of piston Y
kinetic energy of piston Y
(Total for Question 10 = 15 marks)