What does itmean if anengine hashigher power butthe same totalwork done?Expresspower interms ofenergytransfer.What is themeaning of amachine havinga power ratingof 2.5 kW?Name onecommon unitfor large poweroutputs, equalto 1000 W.Suppose yourweight is 600 Nand you climb a2000 mhigh mountain.The work done byyour muscles is:A 60 W lamp isused for 30seconds. Howmuch energydoes it convert?A person who weighs500 N runs up a flightof stairs in 5.0 s(Figure 5.18). Theirgain in height is3.0 m. Calculate therate at which work isdone against the forceof gravityThe motor of the liftshown in Figure 5.18provides a force of 20kN; this force isenough to raisethe lift by 18 m in 10 s.Calculate the outputpower of the motor.The graph ofenergy vs. time fora system has aslope of 250 J/s.What quantitydoes thisrepresent?If a 2 kW kettleruns for 3minutes, whattotal energy istransferred?A 100%efficient motorhas a powerinput of 1.2 kW.What is thepower output?Calculate howmuch work isdone by a 50kW car enginein a time of 1.0minute.Give theSI unit ofpower.A 12 V batterysupplies acurrent of 4 A toa lamp. What isthe powersupplied?Write theequationconnectingwork done,power, andtime.Definepower interms ofwork andtime.A crane lifts a200 kg loadvertically at 0.8m/s. What is itspower output?(g = 9.8 m/s²)A motor exerts aconstant force of150 N and movesan object at 4m/s. Calculatethe power output.The powerdeveloped by acar engine is 40kW. In 5 seconds,how much workis done?A light bulbconverts 75%of electricalpower into light.What happensto the rest?Give theformula forelectricalpower in acircuit.Which has more k.e.,a car of mass 500 kgtravelling at 15 m s−1or a motorcycle ofmass 250 kgtravelling at 30 ms−1?A motor does12 kJ of workin 20 seconds.What is itspower output?Power can alsobe expressedas the productof ___ and ___in linear motion.What does itmean if anengine hashigher power butthe same totalwork done?Expresspower interms ofenergytransfer.What is themeaning of amachine havinga power ratingof 2.5 kW?Name onecommon unitfor large poweroutputs, equalto 1000 W.Suppose yourweight is 600 Nand you climb a2000 mhigh mountain.The work done byyour muscles is:A 60 W lamp isused for 30seconds. Howmuch energydoes it convert?A person who weighs500 N runs up a flightof stairs in 5.0 s(Figure 5.18). Theirgain in height is3.0 m. Calculate therate at which work isdone against the forceof gravityThe motor of the liftshown in Figure 5.18provides a force of 20kN; this force isenough to raisethe lift by 18 m in 10 s.Calculate the outputpower of the motor.The graph ofenergy vs. time fora system has aslope of 250 J/s.What quantitydoes thisrepresent?If a 2 kW kettleruns for 3minutes, whattotal energy istransferred?A 100%efficient motorhas a powerinput of 1.2 kW.What is thepower output?Calculate howmuch work isdone by a 50kW car enginein a time of 1.0minute.Give theSI unit ofpower.A 12 V batterysupplies acurrent of 4 A toa lamp. What isthe powersupplied?Write theequationconnectingwork done,power, andtime.Definepower interms ofwork andtime.A crane lifts a200 kg loadvertically at 0.8m/s. What is itspower output?(g = 9.8 m/s²)A motor exerts aconstant force of150 N and movesan object at 4m/s. Calculatethe power output.The powerdeveloped by acar engine is 40kW. In 5 seconds,how much workis done?A light bulbconverts 75%of electricalpower into light.What happensto the rest?Give theformula forelectricalpower in acircuit.Which has more k.e.,a car of mass 500 kgtravelling at 15 m s−1or a motorcycle ofmass 250 kgtravelling at 30 ms−1?A motor does12 kJ of workin 20 seconds.What is itspower output?Power can alsobe expressedas the productof ___ and ___in linear motion.

P - Call List

(Print) Use this randomly generated list as your call list when playing the game. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. E-What does it mean if an engine has higher power but the same total work done?
  2. P-Express power in terms of energy transfer.
  3. P-What is the meaning of a machine having a power rating of 2.5 kW?
  4. E-Name one common unit for large power outputs, equal to 1000 W.
  5. W- Suppose your weight is 600 N and you climb a 2000 m high mountain. The work done by your muscles is:
  6. O-A 60 W lamp is used for 30 seconds. How much energy does it convert?
  7. P-A person who weighs 500 N runs up a flight of stairs in 5.0 s (Figure 5.18). Their gain in height is 3.0 m. Calculate the rate at which work is done against the force of gravity
  8. O-The motor of the lift shown in Figure 5.18 provides a force of 20 kN; this force is enough to raise the lift by 18 m in 10 s. Calculate the output power of the motor.
  9. O-The graph of energy vs. time for a system has a slope of 250 J/s. What quantity does this represent?
  10. P-If a 2 kW kettle runs for 3 minutes, what total energy is transferred?
  11. O-A 100% efficient motor has a power input of 1.2 kW. What is the power output?
  12. R-Calculate how much work is done by a 50 kW car engine in a time of 1.0 minute.
  13. W-Give the SI unit of power.
  14. R-A 12 V battery supplies a current of 4 A to a lamp. What is the power supplied?
  15. W-Write the equation connecting work done, power, and time.
  16. P-Define power in terms of work and time.
  17. R-A crane lifts a 200 kg load vertically at 0.8 m/s. What is its power output? (g = 9.8 m/s²)
  18. R-A motor exerts a constant force of 150 N and moves an object at 4 m/s. Calculate the power output.
  19. W-The power developed by a car engine is 40 kW. In 5 seconds, how much work is done?
  20. R-A light bulb converts 75% of electrical power into light. What happens to the rest?
  21. E-Give the formula for electrical power in a circuit.
  22. E-Which has more k.e., a car of mass 500 kg travelling at 15 m s−1 or a motorcycle of mass 250 kg travelling at 30 m s−1?
  23. O-A motor does 12 kJ of work in 20 seconds. What is its power output?
  24. E-Power can also be expressed as the product of ___ and ___ in linear motion.