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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
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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
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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
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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)
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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
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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
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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
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Intermediate 1 Physics
Movement Glossary
End of
Glossary
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