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22-23 Physics unit 3

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  • Is the center of an atom
    Nucleus
  • Work is being done when:
    you exert a force that moves an object in the same direction of the applied force
  • Transfer of thermal energy by the movement of fluids.
    Convection
  • Is the amount of work done in one second or the rate at which work is done:
    Power
  • Is the S.I. unit used to measure Work:
    Joules
  • Is the transfer of energy that occurs when a force makes an object move in the direction of the displacement.
    Work
  • Is the S.I. unit used to measure Power:
    Watts
  • Transfer of thermal energy by physical contact.
    Conduction
  • Average kinetic energy of the particles in an object.
    Temperature
  • Sum of the kinetic and potential energy of all the particles in an object (Total energy).
    Thermal energy
  • Amount of heat that is needed to raise the temperature of 1 kg of some material by 1°C.
    Specific heat
  • What does the kinetic theory of matter state?
    That all matter is made of particles, they are in motion colliding against each other and the walls of the container
  • Is the transfer of energy from one object at a higher temperature to another at a lower temperature.
    Heat
  • subatomic particles in the nucleus of an atom?
    protons and neutrons
  • Accumulation of excess electric charges in an object.
    Static electricity
  • Positively charged particle is located in the nucleus
    Protons
  • Negatively charged particle that moves around the nucleus
    electron
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