atom and force-physical science,2013-'14
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Atom and force-Physical Science,2013-'14TRANSCRIPT
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NAME :MINNETH BEEGUM A
OPTION :PHYSICAL SCIENCE
CANDIDATE CODE :
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ATOM
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STRUCTURE OF ATOMGOLD FOIL EXPERIMENT
CONTENT
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Different Models of Atom
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GOLD FOIL EXPERIMENT
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Force is any influence which tends to change the
motion of an object.
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A force has both magnitude and direction,
making it a vector quantity. It is measured in
the SI unit of Newton and represented by the
symbol F.
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The forces are balanced when things are notmoving.
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When the forces are not equal, they are calledunbalanced forces.
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A contact force is the one which acts at the point of contact between two objects.
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A non-contact force is a force applied to an object by another body that is not in direct contact with it.
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