Page 14 - TYPES OF FORCES (FRICTIONAL , GRAVITATIONAL, MAGNETIC AND BOUYANT FORCES)
P. 14
6. MAGNETIC FORCE:
6 . M A G N E T I C FO R C E :
a
g
T
f
n
o
h
b
a
e
e
h
m
y
w
• •The force by which a magnet
h
ic
rc
et
attracts magnetic materials is
a tt ra c ts m a g n etic m a t eria l s is
kn o w n a s m a g n et ic f o rc e .
known as magnetic force.
w
w
en
h
exa
m
s
ke
e,
e
• •For example, when we take some
o
m
a
e
p
r
o
l
F
t
s
p
n
o
a
d
rea
em
h
t
a
n
s
il
iro
iron nails and spread them on a
n
a
d
n
piece of paper then bring a
p iec e o f p a p er th en b rin g a
magnet close to them, the iron
m a g n et c l o s e to th em , t h e iro n
nails are attracted to the
n a il s a re a tt ra c ted t o t h e
a
magnet.
g
m
et.
n
g
b
a
et
n
• •This occurs because a magnet
T
e
ec
is
a
o
a
c
c
us
urs
m
h
a tt ra c ts c erta in m a teria l s s uc h a s
attracts certain materials such as
iron. These materials are known
iro n . T h es e m a teria l s a re kn o w n
as magnetic materials.
a s m a g n etic m a teria l s .
•

