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McCormack-Energy
McCormack - Energy
| Question | Answer |
|---|---|
| The ability to cause change or do work | Energy |
| Physics is the study of the interaction of energy and __________ | Matter |
| The radiant form of energy that travels in waves through space. | Electro Manetic |
| The form of energy in moving objects. | Mechanical |
| A form of energy that is stored in the nucleus of atoms. | Nuclear |
| The flow of electrons through a conductor. | Electrical |
| A form of energy stored in the bonds holding atoms together. | Chemical |
| A form of energy associated with heat. | Thermal |
| Total Mechanical Energy is equal to | PE + KE |
| ME = PE + KE, If PE increases then KE will? | Decrease |
| ME = PE + KE, If KE increase then PE will? | Decrease |
| Potential Energy is directly related to? | mass , gravity & height |
| Kinetic Energy is directly related to? | mass & velocity (speed) |
| Stored energy is | Potential Energy |
| Moving energy is | Kinetic Energy |
| Acceleration due to gravity on Earth is | 9.8 m/s^2 |
| The formula for work is | Work = Force (F) x Distance (D) |
| Work & Energy are both measured in | Joules (J) |
| What variable, mass or velocity, has a bigger impact on Kinetic Energy & why. | Velocity because it is squared (v^2) |
| In a pendulum, the maximum KE is at the ___ (top or bottom)of the swing? | Bottom of the swing |
| In a pendulum, the maximum PE is at the ___ (top or bottom) of the swing? | Top of the swing |
| A bowling ball & soccer ball are dropped at the same heigth. Which will hit first? | They both hit at the same time |
| The transformation of energy in a light bulb is _________ to ____________ | Electric to Electro Magnetic (light) |
| The transformation of energy from the sun to the apple is _____ to _____ to _______ | Nuclear to Electro Magnetic to Chemical |
| The transformation of energy in a curling iron is ___________ to ____________ | Electric to Thermal |
| A gas engine starts with ___________ and ends with _____________ energy. | Chemical & Mechanical |
| Some forms of energy that are wasted in a gas engine are ________& ________ | Thermal & Sound, |
| The efficiency of a gas engine is about? | 30% |
| Friction always creates a loss of energy in the form of ______________ ________________. | Thermal Energy |
| Energy is never destroyed, but can be ___________ from one form to another. | Transformed |
| Can you have gravitional potiential engery?_____? Why? | No, because there is no gravity |
| An object traveling in space will not stop on its own since there is not _________ in space. | Friction |
| What is the KE of an object at rest? | None since velocity is zero |
| How can a small object like a bullet have so much energy? | Velocity is high |
| As a pendulum moves from the top of the swing to the bottom,PE is ______ while KE is ______ | decreasing, Increasing |
| If PE is decreasing and KE is increasing this relationship is considered (Direct/Indirect)? | Indirect |
| As a pendulum moves back and forth, some energy is lost due to _____________. | Friction |
| Can energy be destroyed during a nuclear explosion? | No, energy cannot be created nor destroyed, But can be converted into energy. |
| At what degree is melting point and freezing point of water? | 0 degrees C. |
| At what degree is boiling point and condensing point of water? | 100 degrees C. |
| Can energy be created or destroyed? | No |
Created by:
fmccormack
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