A | B |
Acceleration | The rate of change in speed |
Force | A push or pull exerted on an object |
Momentum | A property of any moving object, the product of the mass and velocity |
Newtons 1st Law | A force is required to change the velocity of an object |
Newtons 2nd Law | Acceleration equals the net force on the object divided by its mass |
Newtons 3rd Law | All forces come in pairs that are equal in magnitude and opposite in direction |
Inertia | The tendency of an object to resist change in motion |
Power | The rate at which energy is transferred |
Speed | Rate of change in the position of an object |
Work | The process of changing the energy of a system by means of forces |
Amplitude | The maximum distance an object moves from equilibrium in any periodic motion |
Frequency | In periodic motion the number of complete oscillations |
Wavelength | The shortest distance between pints where the wave pattern repeats itself |
Period | In periodic motion the time needed to repeat a complete cycle |
Standing wave | A wave with stationary nodes and antinodes |
Law of conservation of energy | The energy in a closed system is constant |
Energy transformation | A change from one form of energy to another such as electrical to thermal |
Conduction | The process that transfers kinetic energy when particles collide |
Convection | The transfer of heat by means of motion in a fluid |
Heat | Energy transferred between objects with a temperature difference |
Radiation | The transfer of energy by waves |
Series circuit | A circuit in which current passes through each device one after the other |
Parallel circuit | A circuit with several current paths whose total current equals the sum of the currents in its branches |
Refraction | The bending of light as the light passes into a new medium |
Resonance | The increase in the amplitude of vibration that occurs when external vibrations match the objects frequency |
Interference | The interaction between waves that meet |