Page 3 - SIMPLE MACHINES
P. 3
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• •We use machines in our daily routines such as to clean,
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move, create, repair, relax, have fun, and accomplish
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• •For example, we use a calculator to perform calculations,
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an electric iron to iron our clothes, an electric toaster to
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toast bread, a washing machine to wash our clothes, etc.
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• •Machines require human energy in order to work. A
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m a c h in e m a kes o ur w o rk e a s ier im p l ies th a t w e n ee d l es s
machine makes our work easier implies that we need less
force to do the same amount of work. They save our
f o rc e to d o th e s a m e a m o un t o f w o rk. T h ey s a v e o ur
time, effort and labour.
tim e, ef f o rt a n d l a b o ur.
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• •Machines can be simple or complex. Simple machines are
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b a s ic s a n d h a v e f ew p a rt s w h il e c o m p l ex m a c h in e s us e
basics and have few parts while complex machines use
c o m b in a tio n o f t w o o r m o re s im p l e m a c h in es .
combination of two or more simple machines.