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Summary Different Kinds of Forces
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Covers the different kinds of forces that will be assessed in your Grade 11 year in the Physics section of your Physical Science module/syllabus
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DIFFERENT KINDS OF FORCESWEIGHT (Fg)
Weight – the gravitational force that the earth exerts on any object near its
surface
Fg = mg
m = mass
g = 9.8
NORMAL FORCE (FN)
Normal force – the perpendicular force exerted by a surface on an object in
contact with it
o the normal force is NOT equal to the weight on an incline plane
o Fg is always the hypotenuse in problems like this
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