Work and Power
Kinetic Energy
Potential Energy
Total Mechanical Energy
Conservation of Energy
100
The equation for Work?
What is Force * distance
100
The Equation for Kinetic Eneryg
What is (mass * velocity^2 )/2
100
the units of Potential Energy
What is Joules
100
What is the definition of Mechanical Energy
What is the total energy of a system.
100
What is the Equation, using PE and KE that states the conservation of energy principle?
What is PEi+KEi=PEf+KEf
200
The equation for power
What is Work divided by time?
200
This variable will change kinetic energy of an object if it accelerates.
What is velocity?
200
The Equation for potential energy
What is mass*gravity*height
200
What is two types of energy make up mechanical energy.
What is Potential Energy, Kinetic Energy
200
Write one other way of writing the conservation of energy not using KE and PE?
What is MEi=MEf mghi+(mvi^2)/2=mghf+(mvf^2)/2
300
The amount of work done to a box moved 10m with a force of 5N
What is 50 Joules
300
Find the Kinetic energy of the following, a 5 kg mass, moving at 10 m/s.
What is 50 Joules
300
What is the potential energy of a 30 kg laptop at 40m above the ground?
What is 11760 J
300
Can Total Mechanical Energy Ever Be changed? Explain why in one sentence!
What is No, the total mechanical energy never changes because energy is not lost or destroyed.
300
What is the Potential energy of a object thrown from the ground upwards at 15m/s if its mass is 35 kg?
What is 3937.5 J
400
The power it takes to run a 700 Joule lightbulb for 10 seconds
What is 70 Watts
400
What is the mass of an object with 700 Joules of energy, and a velocity of 15 m/s?
What is 6.2 kg
400
Find the height of a 45 kg mass With 590 Joules of Potential Energy.
What is 1.3 m?
400
What is the total energy of a system with PE of 152.6 Joules and KE of 659.5 Joules
What is 812.1 Joules
400
How many Joules of Potenial Energy did a 6 kg ball have to start when it hits the ground with a velocity of 10 m/s?
What is 30 Joules
500
The power produced by a 50 N force applied to a box for 20 seconds, to move it 40 m
What is 1000W
500
Find the velocity of a 865 Joule block with a mass of 5kg
What is 18.6 m/s.
500
Find the gravity of an object on an unknown planet, when it has a mass of 10 kg, at a height of 50 m and 3590 Joules of PE
What is 7.18 m/s?
500
What is the Kinetic Energy of a system with Total Energy of 58954 Joules, and potential of 8863.3
What is 50,090.7 joules
500
What is the launch velocity of a 3kg ball that is kicked up to a height of 15m.
What is 19.8 m/s.
M
e
n
u