Work
if an object is not moving it has _____ KE
0
Potential energy is the energy due to ____
position (height)
According to conservation of energy, energy before = energy _____
after
The unit for power is called the
Watt (W)
You exert 50 N of force for 5 m. How much work did you do?
250 J
The average office chair with wheels travels ____ miles a year.
8
This is the first foreign film to win the Oscar for "Best Picture".
Parasite
Two people climb a flight of stairs, but one person does it in less time. Who exerted more power?
The quicker person
This workplace comedy aired 201 episodes, from 2005-2013, and featured the employees of a paper distribution company.
The Office
Ball A has double the mass of ball B. What is the ratio of KE of A to B?
2:1
What are the units for potential energy?
Joules (J)
The World Health Organization declared its first ever Public Health Emergency of International Concern for this virus.
Swine Flu (H1N1)
What is the units of Work
Joules (J)
If the velocity of an object triples its KE will be ____ times greater.
9
Object A has a mass twice of Object B. Object B is 10 times higher than Object A. Which Object has more potential energy and by what ratio?
Object B has 5 times more potential energy than Object A
If friction is negligible, the what will be the kinetic enregy of an arrow that is shot out of a bow that has a potenital energy of 70 J?
70 J
If the power an object has triples what will happen to its energy?
it will triple
If you change the speed of an object (i.e. speed it up or slow it down) did you do work on the object?
Yes
Your velocity is 2 m/s and your mass is 1 kg. What is your Kinetic Energy (KE)?
4 J
An astronaut is elevated 100 m above the ground on Earth while another astronaut is 100 m above the surface of the moon. Which astronaut has more potential energy?
The one on Earth
Energy is changed from one form to another with no net loss or gain is ________ (T or F)
Always true
This fictional pop star plays an important role in Disney's The Goofy Movie (1995).
Powerline