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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 [2021-10-18] nerf_herder |
urp:physgen [2021-11-05] nerf_herder |
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| * J = F*d = applying 1 newton for 1 meter (units of kg * m²/s²) | * J = F*d = applying 1 newton for 1 meter (units of kg * m²/s²) | ||
| * F = J/d | * F = J/d | ||
| + | * power = work/time (joules/sec or watts) | ||
| Fnet = Δp / Δt (since p = mv and Δv/Δtime = acceleration) | Fnet = Δp / Δt (since p = mv and Δv/Δtime = acceleration) | ||
| Line 89: | Line 90: | ||
| **Fulcrum**: t = r * f (torque = radius * force) | **Fulcrum**: t = r * f (torque = radius * force) | ||
| just add the torques for multiple objects on one side of a fulcrum | just add the torques for multiple objects on one side of a fulcrum | ||
| + | |||
| + | ====SHM - Simple Harmonic Motion==== | ||
| + | ma = -kx | ||
| + | |||
| + | angular frequency ω = √(k/m) | ||
| + | |||
| + | period of oscillation T = 2π √(m/k) (horizontal or vertical springs) | ||
| + | |||
| + | In a vertical spring, the weight Mg of the body produces an initial elongation to equilibrium, such that Mg − kyₒ = 0. | ||
| + | |||
| + | If y is the displacement from this equilibrium position the total restoring force will be Mg − k(yₒ + y) = −ky | ||
| + | |||
| ====Projectile fired at an angle==== | ====Projectile fired at an angle==== | ||
urp/physgen.txt · Last modified: 2022-02-01 by nerf_herder
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