- >
region of space around a mass
the
weigh-
> the force
actingo
SCALAR-
-
>
magnitude only where another mass can experience the force
of gravity
weight is directly proporti
↓
direction 1 distance between two masses
VECTOR
-
magnitude
> +
-
IfS :
L
the closer two masses are to each other wa m
, Earth = 9 8 N/leg
.
I
SCALAR VECTOR the
stronger the force of gravity Moon = 1
6 N/leg
.
C
volume displacement size
of the mass weight =
mass x
gravi
the
temperature velocity
- greater the mass, the greater the
gravitational field strength weight 2
weight
distance
(N) -
C gf .
. S
w mX
9)
=
speed
↑
(N/
or
energYtransferred
time momentum work -
> the when a force moves an
object
-
mass (m
mass acceleration through
a distance
- (reg) ↳
displacement 15 = 1NM
E
- > distance/time (scalar
speed work done =
force x distance
given direction (rector)
↳ Or displacement
- > distance in a
* displacement work
Work Don on a
- spring :
velocity speed in a given direction (vector! done2 distance/
>
-
elastic potential energyis
FX S -displacement
·
L
(5) W =
(m)
resultant force ↑ potential energy
-
>
- the
single force that has the same effect as all the force (N)
elastic
individual forces
actingon the object EPE
- ~
F W
WF
S 1
(5)
=
JON
=
I
balanced forces have the same L =
-
-
·
-
25 + 50 =
75N e
magnitude but act in the
FORCES
25N 75N
directions
opposite
,
force) M
-
7
↳ resultant force
58N Cresultant
of zero
.
↳ straight line
·
eitherstationaryor money
is
T
passingthrough
·
the
origin
-
resultant force
·
unbalanced forces do not act in
-
SON an the same directiou but still in force is directly proportional to extension
(
COON
S
>
-
7 opposite directions ↓
SON
-
↳ resultant force is NOT the
zero
.
Fx e gradient of force (N)
>
-
↳ cause - graph
200 (80 + 30) = 90N an
object accelerate
to
-
W
direction
or
change force =
spring constant x extension
h = F MOM
force on
T
ELASTICITY >
-
When an
object is -
extensi
(N) F
-
M
(m)
L
Uxe
pushed or pulled from both directions
=
ON 5) ON
M 1 .
.5
1 (1 0 +0 = ,
F
e
-
M =
. .
may changeshape (deform)
5N
0 .
I resultant force is ON
it
by
:
spring constant (N/m) Te mo
of th
stretching
·
1 .
5N
(N