notecard 2

# notecard 2 - Linear quantities Force F Mass(inertia m...

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Linear quantities Force: F Mass (inertia): m Newton’s 2nd Law: Fnet = ma Work: W = F||d Power: P = Fv Kinetic Energy: K = ½mv2 Work-energy Theorem: Wnet = ½mv2 - ½mv02 Linear Momentum: p = mv Kinetic Energy: K = p2/2m Rotational Quantities Torque: | τ | = r F = rFsin θ Moment of Inertia: I = 1/2mr^2 Newton’s 2nd law: τ = I α Work: W = θτ Power: P = ϖτ Kinetic energy: K = ½ I ϖ2 Work-energy theorem: Wnet = ½ I ϖ 2 - ½ I ϖ 02 Angular momentum: p = Ι ϖ Kinetic energy: K = p2/2 I Example 8.12: A student opens a door: Given: mdoor = 12.0kg; F = 40.0N;r
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