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Join Ms. G in a quiz to test your understanding of work, power, and energy concepts, including formulas and units. Answer questions on work done, power output, types of energy, mechanical energy, and more. Enhance your knowledge with interactive learning!
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And Your Host... Ms. G!
Units and Formulas
1 ~ $100 Question If you push for an hour against a stationary wall, how much work do you do?
1 ~ $100 Answer None- the wall doesn’t move, so there’s no distance
1 ~ $200 Question If you push an object just as far while applying twice the amount of force, how much work do you do?
1 ~ $200 Answer Twice the amount of work
1 ~ $300 Question While impulse involves the time that a force acts, work involves what?
1 ~ $300 Answer The distance the force acts
1 ~ $400 Question A 1000kg car and a 2000kg car are hosted the same distance in a gas station. Does raising the more massive car require more work? If so, how much?
1 ~ $400 Answer It requires twice as much work because it requires twice the force to lift the heavier car
1 ~ $500 Question The super weight lifter of the world tries to show off and carry a 60N weight across the stage while its over his head. The stage is 15m. How much work is being done?
1 ~ $500 Answer None- the force that is exerted on the barbell is not the force that moves the barbell across the stage
2 ~ $100 Question A job is done slowly while an identical job is done quickly. Both jobs require the same amount of work, but different amounts of what?
2 ~ $100 Answer Power
2 ~ $200 Question Power is how _____ _____ is done
2 ~ $200 Answer quickly work
2 ~ $300 Question Exert 100 J in 50 s and your power output is…
2 ~ $300 Answer 2 Watts
2 ~ $400 Question Using 1000J 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?
2 ~ $400 Answer 50 Watts
2 ~ $500 Question A horse pulls a plow across a field in 60 seconds. If 10,000 Watts of power is used then how much work is performed by the horse?
2 ~ $500 Answer It takes 600,000 J
3 ~ $100 Question Energy is the ability to do ______
3 ~ $100 Answer work
3 ~ $200 Question Name at least three types of energy
3 ~ $200 Answer Examples- heat, light, sound, radioactivity, mechanical energy, etc.
3 ~ $300 Question Explain some of the properties of energy using the law of conservation of energy
3 ~ $300 Answer Energy cannot be created or destroyed, only transferred or transformed
3 ~ $400 Question The work energy theorem shows the relationship between what two things?
3 ~ $400 Answer Work and kinetic energy
3 ~ $500 Question Use the work/energy theorem to explain why a force can change the energy of an object
3 ~ $500 Answer Work is force times distance, so if a force changes the work of the object, then the work will change the kinetic energy of the object according to the work/energy theorem
4 ~ $100 Question What are the two types of mechanical energy?
4 ~ $100 Answer Potential and kinetic energy
4 ~ $200 Question An object is raised above the ground gaining a certain amount of potential energy. If the same object is raised twice as high, it games how much potential energy?
4 ~ $200 Answer Twice as much
4 ~ $300 Question An object that has potential energy may have this energy because of the object’s ________.
4 ~ $300 Answer Position (height)
4 ~ $400 Question A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will have how much kinetic energy? Why?
4 ~ $400 Answer 40 J because of the law of conservation of energy
4 ~ $500 Question A car moves 4 times as fast as another identical car. Compared to the slower car, the faster car has how much kinetic energy? Why?
