Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

A ball is stationary at the summit of a hill. It then rolls downhill. When it reaches the bottom of the hill, the ball strikes a wall and comes to rest. Which energy changes take place?

  • Agravitational potential energy $\rightarrow$ internal energy $\rightarrow$ kinetic energy
  • Bgravitational potential energy $\rightarrow$ kinetic energy $\rightarrow$ internal energy
  • Ckinetic energy $\rightarrow$ gravitational potential energy $\rightarrow$ internal energy
  • Dkinetic energy $\rightarrow$ internal energy $\rightarrow$ gravitational potential energy

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