Show:
Work
Energy
Types of Energy
Calculate
Power
100
An object that has a force applied and is moving in the direction of that force
What is work?
100
Energy that is in motion
What is kinetic motion?
100
Energy stored in the nucleus of an atom
What is Nuclear Energy?
100
The mechanical energy of a skateboarder has potential energy of 500 J and a kinetic energy of 200 J.
What is 700 J?
100
The unit for power.
What is the watt?
200
Size of the force and distance over which it's applied
What determines how much work is done?
200
Energy that is stored
What is potential energy?
200
Energy stored in chemical bonds that hold chemical compounds together
What is chemical energy?
200
The power for a light bub that uses 250 J of energy for 10 seconds.
What is 25 W?
200
The rate at which you do work.
What is power?
300
A car slows down on a road is an example
What is work?
300
Has the formula of mass x gravitational acceleration x height
What is Gravitational Potential Energy?
300
Energy an object has due to the motion of its molecules
Thermal (Heat) Energy
300
The power of a donkey using 1000 J of work pulls a plow for 100 seconds. What power does the donkey need?
What is 10 W?
300
A measurement that is 745 watts, calculated from a common form of travel back in the day.
What is horsepower?
400
The units of Work
What is Joules?
400
The formula for Kinetic Energy
What is K = 1/2(mv)^2?
400
Energy associated with electrical and magnetic interactions
What is electromagnetic (light) energy?
400
The gravitational potential energy of a girl who has a mass of 30 kg and is standing on the edge of a diving board that is 5 m above the water?
What is 1,470 J? What is 1,500 J?
400
The two ways power can be calculated.
What is time and energy?
500
After a ball has left your hand is an example of...?
What is not work?
500
The combination of an object's potential and kinetic energy.
What is mechanical energy?
500
Energy associated with squeezing and letting out of molecules in a solid, liquid, or gas
What is sound energy?
500
The kinetic energy of a guy who has a mass of 40 kg and a velocity of 5 m/s
What is 500 J? K = .5(40)(5^2) K = .5(40)(25) K = .5 (1000) K = 500
500
The relationship between power and work.
What is power being the rate at which work is done?