Energy Flashcards
1
Q
What are the 8 energy stores
A
Thermal
Kinetic
Gravitational potential energy
Elastic
Magnetic
Chemical
Electrostatic
Nuclear
2
Q
What is an open system
A
A system where energy is exchanged with the outside world. (Outside the system)
Energy can be gained or lost
3
Q
What is a closed system
A
A system where energy is transferred within the system. ( No energy is lost or gained )
4
Q
What is weight
A
The force acting on something in a gravitational field
5
Q
What is mechanical work done
A
Force to move an object (kicking a ball)
6
Q
What is electrical work done
A
When current flows
Energy require d to overcome wires in the circuit
7
Q
What is kinetic energy
A
Energy that is possessed due to its motion
8
Q
What is the equation for weight
A
Mass x gravitational field strength
