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Lecture 5

PHY 2053 Lecture Notes - Lecture 5: Net Force, World Food Programme


Department
Physics
Course Code
PHY 2053
Professor
Heather Ray
Lecture
5

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10/15/19
work
:
a
net
force
applied
over
a
distance
ex
:
7
Ff
F
t
IE
-
-
-
#
Ft
D-
D
io
t
d
-
-
-
-
-
-
t
magnitude
of
applied
force
F
11
=
F
angle
between
F
and
direction
of
motion
work
W
=
Fi
,
d
=
FCC
OS
O
)
d
distance
traveled
(
units
:
m
)
units
'
.
N
-
M
-
-
Joule
(
J
)
1J
=
IN
-
M
=
I
lagging
a
scaly
You
can
have
F
and
no
w
but
not
vice
versa
F
-
-
O
w
-
-
O
F
-
-
I
w
=
0
walk
w/
constant
velocity
(
book
)
Eas
Es
EE
,
Logicchainforconstantvelocity
const
J
-
E
-
-
o
i
'
:
Xt
En
et
-
-
o
L
W
tot
-
-
O
4-
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