University Physics Volume 1

# Key Equations

### Key Equations

 Magnitude of static friction $fs≤μsNfs≤μsN$ Magnitude of kinetic friction $fk=μkNfk=μkN$ Centripetal force $Fc=mv2rorFc=mrω2Fc=mv2rorFc=mrω2$ Ideal angle of a banked curve $tanθ=v2rgtanθ=v2rg$ Drag force $FD=12CρAv2FD=12CρAv2$ Stokes’ law $Fs=6πrηvFs=6πrηv$