Transcript Glossary
Intermediate 1 Physics Movement Glossary acceleration to collision force to kilogram light gate to m/s2 newton to skydiver speedometer to terminal velocity weight to wind tunnel Beath High School - Int 1 Physics 1 acceleration to collision acceleration how much the speed increases each second air resistance the frictional force which makes it difficult for a vehicle to move through air average speed total distance divided by time equal and opposite forces acting on the balanced forces same object collision this is when two objects hit each other and affect each others’ motion Beath High School - Int 1 Physics 2 force to kilogram force a push, pull or twist which causes an object to speed up or slow down. friction a force which opposes motion gravity the attraction which a planet exerts on any object near it instantaneous speed how fast something is moving at a moment in time kilogram the unit of mass Beath High School - Int 1 Physics 3 light gate to metres per second squared (m/s2) light gate a lamp and a light sensor; used to measure speed lubrication making surfaces more slippery to reduce friction mass a measure of the amount of substance in an object metres per second (m/s) the units of speed metres per the units of acceleration second squared (m/s2) Beath High School - Int 1 Physics 4 newton to skydiver newton the units of force newton balance apparatus for measuring forces range the horizontal distance travelled by a projectile rebound an object, like a ball, bouncing off a surface skydiver a person who falls freely through the air from a plane for a while before opening a parachute Beath High School - Int 1 Physics 5 speedometer to terminal velocity speedometer the instrument in a vehicle to measure its instantaneous speed spoiler a type of ‘wing’ on a car to make it more steamlined streamlined shaped to cut through the air (or water) more easily streamlining shaping an object to make it cut through the air (or water) more easily terminal velocity the fastest speed an object reaches as it falls through a fluid Beath High School - Int 1 Physics 6 weight to wind tunnel weight the force of attraction a planet exerts on an object wind tunnel a place where air can be blown over a vehicle to check how streamlined it is Beath High School - Int 1 Physics 7 Intermediate 1 Physics Movement Glossary End of Glossary Beath High School - Int 1 Physics 8