SI Units
VOCAB TO THE WPE
EWW....MATH
EQUATIONS?¿?
Energy
100
Unit Time
What is Seconds
100
Energy that does work
What is kinetic energy
100
If you excert a force of 10.0N to lift a box a distance of 0.9m, how much work do you do?
What is 9
100
Given: 95N and 1.2Meters
What is F*d=Work
100
A force acting on an object does work if
What is the force is to the direction of the motion
200
Unit of Distance
What is meters
200
The product of force and distance
What is Work
200
If the kinetic energy of an object is 400 Joules and the potential energy is 100 Joules. What is the Mechanical energy?
What is 500 Joules
200
Given: PE, KE
What is Mechanical Energy = PE + KE
200
A type of potential energy? There are at least 3, just name 2
What is Elastic, chemical, or graviational
300
Unit of work
What is Joule
300
The rate of doing work
What is Power
300
A ball with a mass of 4kg is falling traveling at a velocity of 3m/s. Calculate the Kinetic Energy
What is 18 Joules
300
Given: mass of 4kg, g=10m/s^2, and 2meters of height
What is PE=mgh
300
If you exert a force of 700 N to walk 6 m up a flight of stairs in 6s, how much power do you use?
What is 700 Watts
400
Unit of Force
What is Newton
400
Stored energy that could do work
What is Potential Energy
400
A car exerts a force of 500N to pull a boat 100 meters in 10 seconds. How much power
What is 5000W
400
You are given to following: 700J and 80W... Equation for time
What is W/P= Time
400
A girl lifts a 16 N load a hight of 1 m in a time of 2 seconds. What power does the girl produce?
What is 8Watts
500
Unit of Power
What is Watt or Horsepower
500
The addition (sum) of kinetic and potential energy
What is mechanical energy
500
A ball with a mass of 4kg is falling at a height of 2 meters. Assuming that g=9.8m/s, what is the Potential Energy
What is 78.4 Joules
500
You are given the following: 500N, 20meters, and 15s
What is F*d/t = Power
500
A force action on an object does NO work if
What is the force if perpendicular to the direction of the object's motion
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