, S s/-colcc >csIcc S
Variables:
I
investigative
!
question
I research
3
hypothesis independant IDV: Researcher
change
and plan method I
dependant
4
Design a pV:
Change as result IDr
5 observe collect and data 3) controlled Variable:Constant
analyze
↓ 4
hypothesis Never
change.
evaluate constant:
A
7 conclusion
Math relationship: Precision and
-ccuracy:
Directly proportional Precision: How close measure values
2 Quadratic proportional to each other.
Quadratic How close
3
inversely proportional VI
-ccuracy:
measure values
↳
Inverly proportional are to true values.
Math
proof: (C.y <remto x unit) must
get same
sy Repeat investigations for
reliability.
When sc = constant
they're directly prop.
Graph proof
yscy
b
cutie
a
graphic proof of inverse
proportionality.
Y
invoc
newvalue
Conical flash: Funel: measuring cylinder
· Rod: Pipet:
1
S
18
S
Beaker: Graduated: Beehive container: Burete:
xtchgless:
I
S
18
is ay
, :
Equilibrium When number of :
:
a 12m 5300W 45° and 15m E
N
forces are in equilibrium ,
the
X
component
resultant force is zero .
Y component 45° ism
E
Perpendicular component
Vector
Physical
: am soo
with
quantity
and direction Parallel component s
magnitude .
Scalar :
Physical quantity with
magnitude only
:
.
from Pushing
Bearing : -1
ways
N .
Scale
diagram
Pulling
W=mg Trig calculations
•
as
f-
y
'
.
an
3
1. Two forces
they're 900 Fx
at . to
↳µ
2. Head to tail .
3. Resultant is from v1 tail to v2 head .
Fy
↳N na
m
4. • is resultant .
3
-
.
Fx
5. Do
trig
Fy Fy Fx = 76.7N in direction of motion .
"
*
¥ "
*
Fy = 64.28
up
:
A Fn
Fn =
Fg
••_ equilibrium
✓ Fg
, Fg = - :
Fh =
✗ =
Cos
Sin
Fv=y=
:
Fgl
=
f-
g.
coso Parallel Perpendicular
incline
Fgll = f-
g.
Sino Against .
Into plain
Weight Parallel component is
always down .
Parallel
:
Perpendicular
Resultant : One force vector
that the sum of all
represents .
Equilibrium Every : end head
or tail .
String or cables : Tension
Hanging : No normal force
Variables:
I
investigative
!
question
I research
3
hypothesis independant IDV: Researcher
change
and plan method I
dependant
4
Design a pV:
Change as result IDr
5 observe collect and data 3) controlled Variable:Constant
analyze
↓ 4
hypothesis Never
change.
evaluate constant:
A
7 conclusion
Math relationship: Precision and
-ccuracy:
Directly proportional Precision: How close measure values
2 Quadratic proportional to each other.
Quadratic How close
3
inversely proportional VI
-ccuracy:
measure values
↳
Inverly proportional are to true values.
Math
proof: (C.y <remto x unit) must
get same
sy Repeat investigations for
reliability.
When sc = constant
they're directly prop.
Graph proof
yscy
b
cutie
a
graphic proof of inverse
proportionality.
Y
invoc
newvalue
Conical flash: Funel: measuring cylinder
· Rod: Pipet:
1
S
18
S
Beaker: Graduated: Beehive container: Burete:
xtchgless:
I
S
18
is ay
, :
Equilibrium When number of :
:
a 12m 5300W 45° and 15m E
N
forces are in equilibrium ,
the
X
component
resultant force is zero .
Y component 45° ism
E
Perpendicular component
Vector
Physical
: am soo
with
quantity
and direction Parallel component s
magnitude .
Scalar :
Physical quantity with
magnitude only
:
.
from Pushing
Bearing : -1
ways
N .
Scale
diagram
Pulling
W=mg Trig calculations
•
as
f-
y
'
.
an
3
1. Two forces
they're 900 Fx
at . to
↳µ
2. Head to tail .
3. Resultant is from v1 tail to v2 head .
Fy
↳N na
m
4. • is resultant .
3
-
.
Fx
5. Do
trig
Fy Fy Fx = 76.7N in direction of motion .
"
*
¥ "
*
Fy = 64.28
up
:
A Fn
Fn =
Fg
••_ equilibrium
✓ Fg
, Fg = - :
Fh =
✗ =
Cos
Sin
Fv=y=
:
Fgl
=
f-
g.
coso Parallel Perpendicular
incline
Fgll = f-
g.
Sino Against .
Into plain
Weight Parallel component is
always down .
Parallel
:
Perpendicular
Resultant : One force vector
that the sum of all
represents .
Equilibrium Every : end head
or tail .
String or cables : Tension
Hanging : No normal force
