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Speed, Pressure Moments (Keywords and Definitions)
Terms in this set (24)
Change in velocity divided by the time it takes for the change to occur
Distance an object travels per unit of time
Force applied per unit area
the tendency to rotate about a point determined by the product of a force multiplied by the distance from this force to this point
Speed in a given direction
Using pressurized liquids acting on Pistons of different size to change a force
The use of gas (usually air) in an enclosed system under pressure
A push or a pull exerted on an object
a measure of the size of a surface or a region
a slope of a line on a graph
The net force acting on a body when two or more forces are unbalanced.
A smooth shape designed to reduce drag.
a force that opposes the motion of an object through a fluid.
Fluid friction acting on an object moving through the air
The upward force that acts on an object because it has displaced a volume of liquid or gas.
A value that does not change
The point around which a lever turns
Moving in a curve in the same direction as the hands of a clock
Moving in a curve in the opposite direction to the hands of a clock
A weight is used to balance another force that stops something falling over
A simple machine for lifting objects that turns around a pivot
The size of unbalanced force which makes the object moves, speed up or slow down
A type of force that oppose motion
THIS SET IS OFTEN IN FOLDERS WITH...
KS3 Science - Forces keywords
KS3 Pressure and Moments
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