Physics Part 1 (P1) Knowledge Questions Flashcards
(23 cards)
What is the scientific name for movement energy?
Kinetic energy
What is the scientific name for heat energy?
Internal/Thermal energy
What is the name of energy stored in fuel?
Chemical energy
What is the name of energy stored in objects that can be stretched and return to their original shape?
Elastic potential energy
What is the name of energy stored between a North pole and a South pole?
Magnetic energy
What is the name of energy stored in an object above ground level?
Gravitational potential energy
What is the name of energy stored between a positively charged object and a negatively charged object?
Electrostatic energy
What is the name of energy released from a nucleus of an atom?
Nuclear energy
What is the name of energy transfer which happens in wires?
Electrical
What is the name of the type of energy transfer which happens when an object is pushed?
Mechanical
What is the name of energy transfer which happens when an object gives out light?
Radiation (Waves)
What is the name for rule ‘Energy cannot be created or destroyed, only transferred’?
Law of conservation of energy
Write the equation which links distance, force and work done
Work done = force x distance
What is the unit of work done?
Joule (J)
Write the equation which links gravitational potential energy, gravitational field strength, mass and height
Gravitational potential energy = mass x height x gravitational field strength
What is the unit of Gravitational potential energy?
Joule (J)
Write the equation which links kinetic energy, mass and velocity
Kinetic Energy = ½ x mass x velocity squared
What is the unit for Kinetic energy?
Joule (J)
What is the term for Heat Energy going into the surroundings?
Dissipation
What is a lubricant used to reduce?
Friction
The measure of how good a device is at transferring energy usefully is called?
Efficiency
Write the equation which links energy, power and time
Power = Energy/time
What is the Unit of Power?
Watt (W)
