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urp:physgen
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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urp:physgen [2021-11-08] nerf_herder |
urp:physgen [2021-11-11] nerf_herder |
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| Line 75: | Line 75: | ||
| 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 86: | ||
| 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 | ||
| Line 134: | Line 139: | ||
| **Snell's law** | **Snell's law** | ||
| - | sin(θ₁) / sin(θ₂) = v₁/v₂ = n₂/n1 (note that the n values are reversed) | + | sin(θ₁) / sin(θ₂) = v₁/v₂ = n₂/n₁ (note that the n values are reversed) |
| v = velocity of light in that medium, n = index of refraction | v = velocity of light in that medium, n = index of refraction | ||
| v = c/n (c = speed of light in a vacuum) | v = c/n (c = speed of light in a vacuum) | ||
urp/physgen.txt · Last modified: 2022-02-01 by nerf_herder
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