Page 20 - SIMPLE MACHINES
P. 20

3. INCLINED PLANE –
                  3  .    I  N    C  L  I  N    E   D     P  L  A   N    E     –






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                  • •The word "inclined" means "at an angle". The word
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                  " "plane" means "a flat surface".
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                  • •An inclined plane is a slope or a ramp between a higher
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                  level and a lower level.
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                  • •An inclined plane helps a person to move or raise heavy
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                  objects with less effort as instead of lifting; they can
                  o  b j ec   ts     w  ith      l e s s    ef   f o  rt    a  s   in  s tea     d    o  f   l if tin   g;     t h  ey     c  a  n
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                  simply be pushed or pulled along the inclined plane.
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                  • • An inclined plane enables a load to be lifted with less
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                  f o  rc   e,     b ut     th   e    d  is  t a n  c e    o  v e  r   w  h  ic  h    it   m   o  v e  s   is    grea      t e  r.
                  force, but the distance over which it moves is greater.
                  If ramp is longer, person will need less force to move
                  I  f   ra   m   p   is    l o n  g er,      p  ers    o  n   w  il l   n eed       l es   s   f o  rc   e    t o   m   o  v e
                  the object up the ramp compared to shorter ramp.
                  th   e    o b  j ec   t   up      th   e   ra   m   p    c o  m   p a  red       t o   s  h  o rter        ra   m  p  .
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