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Physics
Forces and Motion
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Created by
Caitlin Allerton
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Cards (80)
Speed
equation
speed
=
distance
/time
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m/s
Meters per second
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SLAP
(Distance - Time graphs)
Scale
- Equal intervals per square
Line
- Straight or curved or sometimes join the dots
Axes
- Label with units
Points
- Plotted using a sharpe pencil
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Mass equation
Weight /
gravitational
field strength
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What
are the types of forces?
-
Contact
-
Spring
-
Applied
-
Air resistance
-
Normal
-
Tension
-
Friction
-
Non-contact
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Balenced
No
movement
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Unbalenced
Forces are not equal and opposite, the objects will change
speed
,
direction
and shape
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What
2 categories can all quantiles be split into?
-
Scalars
-
Vectors
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Quantites
Things we measure
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Scalars
Are just a
quantity
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Vectors
Have
quantity
and
direction
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Examples
of scalars
-
Distance
m
-
Speed
m/s
- Power W
-
Energy
J
-
Mass
Kg
-
Density
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Examples
of vectors
-
Displacement
M
-
Velocity
m/s
-
Acceleration
m/s squared
-
Force
N
-
Weight
N
-
Momentum
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What objects feel a force of attraction?
Objects with
mass
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Why
so they feel forces of attraction?
This is due to the gravitational force, also known as
gravity
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Why
do we feel a force?
Because the
Earth
has a
mass
as do we
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What is this force that we feel?
Weight
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Weight
The force on an object due to it's mass and
gravitational field strength
in that area
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Mass
Is how much
particles
/atoms an object has in it, measured in
kg
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Gravitational field strength
Gravity
varies
depending on where we are in the
universe
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Newtons on Mercury
4N
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Newtons on Venus
9N
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Newtons on Earth
10N
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Newtons on Mars
4N
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Newtons on Jupiter
26N
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Newtons on Saturn
11N
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Newtons on Neptune
12N
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Newtons on Uranus
12N
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Weight
equation
Mass x
gravitational
field strength
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What is
force
measured
in
?
Newtons
[
N
]
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Why are they called newtons?
After Sir
Isaac Newton
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What is the force of an apple landing on your head?
About 1N
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Contact forces
Objects that need to be
tounched
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Non
-contact forces
Forces acting
without
being touched
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What is weight?
Gravitational
pull on an object
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Is weight contact?
No
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What is
friction
?
2
objects
rubbing
against each other
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Is friction contact?
Yes
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What is magnetism?
2
Magnets
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Is magnetism contact?
No
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