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Skill 4 of 14
In Progress

Work

You pushed the heavy box several metres over the floor. It took a lot of work!

This word ‘work‘ is apparently used in this context to represent the transfer of energy from the chemical potential energy stored in your body and now to kinetic energy1 in the box. Let’s give it a symbol: $W$.2

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References:

  1. James Prescott Joule’ (web page), Doug Stewart, Famous Scientists, 2018, www.famousscientists.org/james-prescott-joule (accessed Jan. 14th, 2020)
  2. James Prescott Joule’ (web page), Westminster Abbey, www.westminster-abbey.org/abbey-commemorations/commemorations/james-prescott-joule (accessed Jun. 13th, 2020)