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Grade 11 Physics Newton’s laws and geometrical optics

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3 pages
2021/2022 Written for academic year
Institution 11
Course Physical Sciences
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Includes all of Newton’s laws including Newton’s law of universal gravitation. It also contains geometrical optics which focuses on refraction but also explores reflection abs the properties of light.

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PHYSICS
(Newtons laws and Geometrical optics)


Forces
Non-contact Contact
e.g. Magnetic force e.g. Friction
Gravitational Force (Fg)~ force the Earth exerts on an object that is close to its
surface
Fg=mg g~ gravitational constant *always acts downwards


Normal Force (N) ~ perpendicular fore exerted by surface on object
Frictional Force (Ff) ~ opposes motion of an object and acts parallel to surface object
is in contact with
*Frictional force is directly proportional to normal force
Static Friction (Fs)~ counteracts the tendency of movement of a stationery object

Fs=μn μ~ coefficient of static friction
Kinetic Friction (Fk) ~ counteracts the tendency of movement in a moving object

Fk=μn μ~ coefficient of kinetic friction



Free body diagrams




Force diagrams

Document information

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200
Uploaded on
August 9, 2021
Number of pages
3
Written in
2021/2022
Type
Interview
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Unknown
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R80,00
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Written by students who passed
Immediately available after payment
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