Page 6 - SIMPLE MACHINES

A
p
e
l
• •Example of a lever – A seesaw
s
am
Ex
l
a
er
ev
–
of

e
s
aw
e
y
an
d
i
e
u
o

n
f
u

When you and your friend
r

r
y
W
o
e

n
h

d
p
si
o
d
at
p
f
e
t

n
si
te
sit at the opposite ends of

o
e
o
s
th
se
u
le

a
r

e
se
saw,
e
a
.

y
u
o
v
a seesaw, you use a lever.

The rod of the seesaw is
T h e r o d o f th e se e saw i s
attached to a support at a
attac h e d to a su p p o r t at a
fixed point. This point acts
f i xe d p o i n t. T h i s p o i n t ac ts
s
ad
lo
i

lc
u
r
m.
u
f
as
as the fulcrum. The load is
th

e
T

e
h
th e we i g h t o f th e p e r so n
the weight of the person
o
u
i

li
le
f
g

y
you are trying to lift, while
wh
t,
to
y

tr
i

n
ar

e
you act as the effort.
y o u ac t as th e e f f o r t.