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Physics paper 2 AQA Triple
Forces
Pressure
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Cards (17)
Pressure
Determines
the
effect
of a
force
on a surface
Force
A
push
or
pull
upon an object resulting from the object's
interaction
with another object
Surface
The
outer boundary
of an object or the
area
of
contact
between
two objects
Pascal
The unit of pressure
Pressure in a liquid
The pressure acting on an object
increases
as you get deeper within the liquid you get
Factors effecting Pressure in a liquid
Pressure
Height of column (h)
Density of liquid (P)
Upthrust
The force that
opposes
the
weight
of an object in a
fluid
Float
To cause an object to be supported by a fluid in such a way that it appears to be
suspended
in it
Upthrust
Less
than the
weight
of the object it will sink
Upthrust
If equal to the weight of the object/larger object will float
Atmospheric
pressure
Pressure
from a
gas
caused by
particles colliding
with a
surface
Atmosphere
(
ATM
)
A unit of
pressure
Gravitational field strength
The force per unit mass exerted by a
gravitational field
on a
mass
Incompressible liquid
A liquid that cannot be compressed
Area
A
measure
of the
size
of a
surface
Forces
A
push
or
pull
upon an object resulting from the object's
interaction
with another object
Forces
acting on an object can be
balanced
or
unbalanced
