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Physics forces quiz
Descripción
9th grade Physics Mapa Mental sobre Physics forces quiz, creado por Cara Denton el 06/11/2017.
Sin etiquetas
physics
forces
newton's laws
quiz
physics
9th grade
Mapa Mental por
Cara Denton
, actualizado hace más de 1 año
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Creado por
Cara Denton
hace casi 7 años
3
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Resumen del Recurso
Physics forces quiz
Newton's 1st Law
An object in motion will stay in motion at a constant velocity unless acted upon by an unbalanced force
AKA the law of inertia
inertia is an object's resistance to change in motion
or if at rest will stay at rest unless...
Forces
Normal Force
the ground pushing up on you
Gravitational Force
The force made by the earth (or other planet) pulling you towards it
Friction
the force that occurs when 2 objects rub against each other
negligible
Newton's 2nd Law
Fnet=ma
the sum of all forces = mass * acceleration
acceleration - m/s^2
mass - kilograms
Fnet - Newtons
USE THIS EQUATION FOR EVERYTHINGGGGG
example problem
A 5kg box is being pushed to the right 5N. Find the acceleration.
Fnet=ma
5=5a
a=1m/s^2
Free Body Diagrams
A diagram that shows all the forces that are happening on an object
Newton's 3rd Law
every action has an equal opposite reaction
BUT the 2 forces don't cancel out b/c they are acting on each other - 2 diff objects
other handy things to know
gravity acceleration on earth is -9.80 m/s^2
1 kilogram, kilometer, etc = 1000 meter/gram/etc
Recursos multimedia adjuntos
New Doc 2017 11 06 17.29.12 1 (binary/octet-stream)
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