Work/ Energy/ Power
Quiz by John Alaniz
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14 questions
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- Q1What is the formula for calculating work?Work = Force / DistanceWork = Force x DistanceWork = Force + DistanceWork = Force - Distance30s
- Q2What is the SI unit of work?JouleFoot-PoundWattNewton30s
- Q3How many joules of work are done when lifting a 50-pound ball four feet, after converting to SI units?300 Joules271 Joules200 Joules150 Joules30s
- Q4What does energy represent?A physical objectThe ability to do workA type of materialA unit of measurement30s
- Q5What type of energy is stored due to position?Radiant EnergyChemical EnergyKinetic EnergyPotential Energy30s
- Q6What is the definition of power in physics?The distance coveredThe capacity of energyThe total work doneThe rate of doing work or using energy30s
- Q7What unit is used to measure power in the SI system?NewtonWattJouleHorsepower30s
- Q8What happens to energy when it is converted to heat?It becomes kinetic energyIt is stored for laterIt is often considered lostIt increases in value30s
- Q9Which of the following is a renewable energy source?CoalUraniumWind energyNatural Gas30s
- Q10In the example of lifting a ball, how is power calculated?Power = Work - TimePower = Work x TimePower = Work / TimePower = Work + Time30s
- Q11What happens to energy during a transformation?It disappearsIt loses all propertiesIt becomes heavierIt can be changed from one form to another30s
- Q12What type of energy is produced when you eat food?Sound energyKinetic energyChemical energyRadiant energy30s
- Q13What is the relationship between work and energy?Energy cannot do workThey are equivalent; the amount of work done equals the amount of energy used.They are independentWork is a type of energy30s
- Q14How do you calculate power?Work done divided by time takenForce applied divided by distanceEnergy lost per secondDistance moved per unit of time30s