Work
These are the units of work.
What are joules?
These are the units of power.
What are watts?
A tennis racket is this class of lever.
What is a THIRD class lever?
Time can be calculated like this using the "magic" triangle for POWER.
What is time = work / power?
This is how many minutes there are in one day.
What is 1440?
This is the formula for work.
What is W = F x d?
This is the formula for power.
What is P = W / t?
A see-saw is this type of lever.
What is a FIRST class lever?
Interestingly enough, power can also be calculated like this, involving a little Newton and a tiny bit of "d" over a dash of "t" ...
What is P equals Force x velocity?
Force can be calculated like this using the "magic" triangle for WORK.
What is work / distance ?
1,800 J equal this many kilojoules.
What is 1.8 kJ?
This is really "watt" a unit of power really is.
What is a joule per sec?
What is J/sec?
A baseball bat is this type of lever.
What is a THIRD class lever?
This is what the letters in "kW/hr" stand for.
What is a kilowatt-hour?
Distance can be calculated like this using the "magic" triangle for WORK.
What is distance = work / force?
This is how much work you would do if you applied a force of 10 N over one mile.
What is 16,000 J?
What is 16 kJ?
This is how powerful you are if you can complete 54 kJ of work in 1 hour.
What is 15 watts?
A wheelbarrow is this type of lever.
What is a SECOND class lever?
Work can be calculated like this by using the "magic" triangle for POWER.
What is work = power x time?
This is how many meters there are in two miles.
What is 3200?
This is how far an object would move if you completed 40 kJ of work with an applied force of 100 N.
What is 400 m?
110,000 watts is this many kW.
What is 110 kW?
A pry (or crowbar) is this type of lever.
What is a FIRST class lever?
This is how powerful you are if you can do 6kJ of work in 3 seconds.
What is 2,000 watts or 2 kW?
This is how many seconds there are in a day.
What is 86,400?