30404163
Descripción
Fichas por Adriana Vincelli-Joma, actualizado hace más de 1 año
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Creado por Adriana Vincelli-Joma
hace más de 3 años
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| Pregunta | Respuesta |
| uniform circular motion | -motion with constant angular velocity -ω = Δθ / Δt |
| angular acceleration | -rate of change of angular velocity with time -α = Δω / Δt |
| linear/tangential acceleration | -acceleration in direction tangent to circle at point of interest in circular motion -a_t = Δv / Δt |
| linear and angular displacement | -x = θr -θ = x/r |
| linear and angular velocity | -v = rω -ω = v/r |
| tangential and angular acceleration | -a_t = rα -α = a_t/r |
| Rotational Kinematic Equations | -θ = ωt -ω = ω_0 + αt -θ = ω_0t + 1/2 αt^2 -ω^2 = ω_0^2 + αθ |
| moment of inertia | -mass times the square of perpendicular distance from the rotation axis -I = mr^2 (particle) |
| moment arm | perpendicular distance to axis of rotation |
| torque, angular acceleration, and moment of inertia | - τ = (m^2 r)α -net τ = Iα |
| force and angular acceleration | -F = mrα |
| rotational kinetic energy | -KE_rot = 1/2 I ω^2 |
| mechanical energy with rotational motion | 1/2 m v_1^2 + 1/2 I ω^2 + mgh_1 = 1/2 m v_2^2 + 1/2 I ω_0^2 + mgh_2 |
| Work-Energy Theorem with Rotational Motion | net W = 1/2 I ω^2 - 1/2 I ω_0^2 |
| angular momentum | L = I ω |
| torque and angular momentum | net τ = ΔL / Δt |
| law of conservation of angular momentum | -L = constant -L = L' |
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