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21 terms

thadgoughTEACHER

This is the first set of equations for the AP Physics B exam.
Newtonian Mechanics

velocity with a, no x

v = v₀-at

position with a, no v

x = x₀+v₀t+½at²

velocity with a, no t

v²=v₀²+2a(x-x₀)

Newton's 2nd Law

ΣF=ma

Centripetal Acceleration

a=v²/r

Friction on a plane

F≤µN

Torque

τ=rFsinθ

Momentum

p=mv

Impulse

J=FΔt or Δp

Kinetic Energy

K=½mv²

Change in Gravitational Potential Energy

ΔU=mgΔh

Work done by a force at an angle

W=FΔrcosθ

Average Power

P=W/Δt

Power of an object in motion

P=Fvcosθ

Restoring force of a spring

F=-kx

Elastic Potential Energy

U=½kx²

Period of an object oscillating on a spring

T=2π√(m/k)

Period of a pendulum for small angles

T=2π√(l/g)

Period and frequency relationship

T=1/f

Newton's Universal Law of Gravitation

F=-(Gm₁m₂)/(r²)

Gravitational Potential Energy

U=-(Gm₁m₂)/(r)