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# Physics 1.1 revision

### Revision cards for NCEA Level 1 Physics 1.1 Paper

Distance measure of how far something has traveled or the amount of space between two or more objects
Time measure of how long something has been travelling for
Speed rate at which something moves
Velocity rate at which something moves in a given direction
Acceleration to speed up
Deceleration to slow down
Distance-Time Graph graph measuring the speed of an object
Speed-Time Graph graph measuring the distance an object has traveled
Force a push or a pull that causes an object to undergo change in direction, speed or shape
Balanced Force occurs when the sum of all the forces on an object equals zero and the objects motion does not change
Unbalanced Force occurs when the forces acting on an object are not equal casing a change in motion
Newton the SI unit for force
Thrust to push an object in a particular direction
Mass the amount of matter contained within an object
Weight the force of gravity acting on an objects mass
Friction the resistance an object encounters when moving over another surface
Drag friction that opposes the motion of an object through a fluid
Pressure force per unit area
Energy the ability to do work
Joule the SI unit of work and energy
Gravitational Potential Energy energy stored in an object due to its height above earth
Kinetic Energy energy of an object due to its motion
Work when forces move an object, resulting in the transfer of energy to that object
Power rate of doing work
Watt the SI unit for power
Created by: LorenK14