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- 1. Multiple ChoiceTwo factors that determine work aresize of the force, and distancesize of the force, and type of forcemass, and distance
- 2. Multiple Choicework is a measurement of how much force is applied over a certaindistancevelocityshapesize
- 3. Multiple Choiceunits of force arenetwonsgramsjoulesmeters
- 4. Multiple Choiceunits for work arenetwonsjoulesmetersseconds
- 5. Multiple Choiceif you push a cart with a force of 60 N for 2 m... how much work have you done120 J30 J120 N30 N
- 6. Multiple Choicework transferssweatenergyvelocityeffort
- 7. Multiple Choiceboth work and energy are measured injoulesnewtonsmetersseconds
- 8. Multiple Choiceenergy in motionkineticpotential
- 9. Multiple Choicestored energykineticpotential
- 10. Multiple ChoiceIn the formula for kinetic energy, what is being squaredmassvelocity
- 11. Multiple ChoiceWhat is the formula for work?Force = work x distanceDistance = force x workWork = force x distanceWork = force x mass
- 12. Multiple ChoiceFred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?25J100J4J75J
- 13. Multiple Choice
What type of energy is in this picture?KineticPotentialElectromagnetic - 14. Multiple ChoiceKinetic Energy is defined asEnergy stored due to its locationEnergy of motionEnergy stored in the bonds of moleculesHeat energy
- 15. Multiple ChoiceWhich of the following objects has the most kinetic energy?A 20 kg toddler running at 5 m/sA 50 kg toddler running at 30 m/sA 90 kg toddler running at 30 m/sA 100 kg toddler running at 2 m/s
- 16. Multiple Choicegravitational potential energy is defined asthe energy an object has due to its height above the groundthe energy an object has due to its motionthe energy a spring has due to its stretchthe chemical energy stored in the molecules of atoms
- 17. Multiple Choicethe equation for gravitational potential energy isPEg = mghPEg= 1/2kx2PEg= FdPEg = 1/2mv2
- 18. Multiple ChoiceA 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is60 J600 J17 J2.4 J
- 19. Multiple ChoiceMechanical Energy isKE-PEPE - KEThe sum of PE & KE
- 20. Multiple ChoiceA man stops his car on top of a hill, describe this scenario in terms of energy.High Potential EnergyHigh Kinetic EnergyIt is impossible to tell
- 21. Multiple ChoiceWhat units are used to measure power?wattsJoulesmetersnewtons
- 22. Multiple ChoiceHow are work and and power related?if work is increased than the power generated is decreasedthere is not enough information given to know the answerif work is increased than power is increasedwork and power are not related
- 23. Multiple ChoiceUsing 1000 J of work, a toy elevator is raised from the ground floor to the second floor in 20 s. How much power does the elevator use?20 W50 W100 W1000 W
- 24. Multiple ChoiceA girl pushes a box across the floor. Did she do work?noyes
- 25. Multiple ChoiceWhich situation is work not done?lifting a 20 pound box off the floorholding a 20 pound box above the floorsliding a 20 pound box across the floorsliding a 20 pound box up an inclined plane
- 26. Multiple ChoiceWhich is doing work?pushing a wallholding a boxpicking up a pencilsitting in a chair
- 27. Multiple ChoiceWhich of the following is the best example of work being done.doing homeworklifting a boxpushing a stationary boxholding a box
- 28. Multiple ChoiceWhat is the definition of power?the amount of work an object doesthe rate at which force is appliedthe amount of matter in an objectthe rate at which work is done
- 29. Multiple ChoiceAn example of work is holding a heavy bagTruefalse
- 30. Multiple ChoiceThis is work divided by time.WorkDistancePower
- Answer choicesTagsAnswer choicesTags