# Shared Flashcard Set

## Details

Equations for AP Physics C
Mechanics Portion
30
Physics
04/27/2009

Term
 Equation for velocity?
Definition
 V=Vi + at
Term
 Equation for Position?
Definition
 X = Xi + Vit + .5at^2
Term
 equation for velocity that does not require time?
Definition
 v^2=Vi^2 + 2a(x-Xi)
Term
 Net Force?
Definition
 ∑F = Fnet = ma
Term
 Force in terms of momentum
Definition
 F= dp/dt
Term
 Impulse formula?
Definition
 J = ∫Fdt = ∆p
Term
 momentum formula?
Definition
 p=mv
Term
 Force of friction?
Definition
 Ffric ≤ μN
Term
 Work
Definition
 ∫F•dx
Term
 Kinetic Energy
Definition
 k=.5mv2
Term
 Power
Definition
 P=dW/dt
Term
 Power in terms of force
Definition
 P=F•v
Term
 Potential Energy (height)
Definition
 ∆Ug = mgh
Term
 Acceleration (circular)
Definition
 a = (v^2)/r = (w^2)r
Term
 Torque
Definition
 τ = r X F
Term
 Net torque
Definition
 ∑τ = τnet = Iα
Term
 Rotational Inertia
Definition
 I = ∫r^2dm = ∑mr^2
Term
Definition
 ∑mr/∑m
Term
 rotational velocity
Definition
 v=rw
Term
 Angular Momentum
Definition
 L = r X p = Iw
Term
 rotational kinetic energy
Definition
 K = 1/2Iw^2
Term
 angular speed
Definition
 w = Wi + αt
Term
 angular position
Definition
 θ = θi + Wit + .5αt^2
Term
 Force of a spring
Definition
 Fs = -kx
Term
 Potential energy (spring)
Definition
 Us = .5kx^2
Term
 Period
Definition
 T = 2π/w = 1/f
Term
 Period of a spring
Definition
 2π(m/k)^.5
Term
 Period (Pendulum)
Definition
 Tp = 2π(l/g)^.5
Term
 Gravitational force
Definition
 Fg = -Gm1m2/r^2
Term
 Potential Energy (gravity)
Definition
 Ug = -Gm1m2/r
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