Power and Efficiency
 

Power and Efficiency problem 17


Which two physical quantities must be used to calculate the power developed by a student running up a flight of steps?


  • force exerted and the vertical height of the steps only


  • force exerted and the time taken only


  • work done and the vertical height of the steps only


  • work done and the time taken only


 

main author and content editor: Daniel Owoyomi