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urp:physgen [2021-11-08]
nerf_herder [Optics]
urp:physgen [2021-11-11]
nerf_herder
Line 1: Line 1:
-==== General Physics ==== +===== General Physics =====
-  * [[#​Newton'​s 3 laws]] +
-  * [[#​Distance,​ time, velocity, acceleration]] +
-  * [[#​Collisions]] +
-  * [[#Inclined plane]] +
-  * [[#​Projectile fired at an angle]] +
-  * [[#Buoyant force]] +
-  * [[#​Gravity]] +
-  * [[#​Kinematics]] +
-  * [[#​Miscellaneous]]+
  
 ====Newton'​s 3 laws==== ====Newton'​s 3 laws====
Line 75: Line 66:
   When parallel force > friction, it is unbalanced and objects will move down the plane   When parallel force > friction, it is unbalanced and objects will move down the plane
   Applied force - friction = net force   Applied force - friction = net force
 +
 +====Friction====
 +Coefficient of friction ​
 +  * μ = f/N  (force applied divided by Normal force)
 +  * fNet = fApp - Ffriction
  
   static friction -    static friction - 
Line 81: Line 77:
           N = normal force) must be overcome before the mass moves           N = normal force) must be overcome before the mass moves
     μS = fs/N = m*g*sin(θ) / m*g*cos(θ) = sin(θ)/​cos(θ) = tan(θ)     μS = fs/N = m*g*sin(θ) / m*g*cos(θ) = sin(θ)/​cos(θ) = tan(θ)
-  kinetic friction - normal ​moving friction+  kinetic friction - moving friction
    only one type of friction applies at a time    only one type of friction applies at a time
  
urp/physgen.txt · Last modified: 2022-02-01 by nerf_herder