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WorksheetsEnergy, Work Done and Power
Total questions: 10
Worksheet time: 19mins
Select the unit for energy.
Joules (J)
Newtons (N)
Pascals (Pa)
Watts (W)
Select the unit for work done.
Joules (J)
Newtons (N)
Pascals (Pa)
Watts (W)
Select the unit for power.
Joules (J)
Newtons (N)
Pascals (Pa)
Watts (W)
Select the correct equations.
Work done = Force x distance
Force = Work done x distance
distance = Force / Work done
distance = Work done / Force
Work done = Force / distance
A tyre is moved 5 m by a force of 340 N. Calculate the work done on the tyre.
(a)
Select the correct equations.
Power = Energy x time
Energy = Power x time
Power = Energy / time
time = Energy / Power
Energy = Power / time
A rock climber does 4.8 kJ of work scaling a rock face in 2 minutes. Find her power.
(a)
An engine transfers 400 J of energy in one second. What is the work done by the engine in this time?
(a)
How long would it take a 525 W motor to do 1344 J of work? Give your answer to 3 significant figures.
(a)
How much work is done by a machine with a power of 1240 W running for 35 seconds?
(a)
