Work done and power
We can link the concept of work done to power!
Power usually refers to energy, as we’ll revisit in a minute, but since work done just means energy transferred, we can also link power to work done.
Power and energy
Section titled “Power and energy”The normal formula for power is:
Or, in symbols:
Where:
is the power, in watts, is the energy transferred, in joules, is the time taken, in seconds,
Power and work done
Section titled “Power and work done”Using the knowledge that work done is just the same thing as energy transferred, we can write this as:
Or in symbols:
Where:
is the power, in watts, is the work done, in joules, is the time taken, in seconds,