uniform circular motion - david liaodavidliao.com/handouts/physics/11.1 ap physics 1/4.1 ucm...

Post on 24-Jan-2020

12 Views

Category:

Documents

1 Downloads

Preview:

Click to see full reader

TRANSCRIPT

Uniform circular motion

DAVID LIAO.COM

Kinematics

π‘Ÿπ‘Ÿ radius

𝑐𝑐 = 2πœ‹πœ‹π‘Ÿπ‘Ÿ circumference

𝑇𝑇 period (lap time)

𝑓𝑓 =1𝑇𝑇

frequency [𝑓𝑓] = 1s

= Hz

πœ”πœ” = 2πœ‹πœ‹π‘“π‘“ angular frequency

𝑣𝑣TAN =𝑐𝑐𝑇𝑇

=2πœ‹πœ‹π‘Ÿπ‘Ÿπ‘‡π‘‡

tangential speed

π‘Žπ‘ŽIN =𝑣𝑣TAN2

π‘Ÿπ‘Ÿ

inward (centripetal) acceleration

Dynamics

π‘Žπ‘ŽIN =Σ𝐹𝐹INπ‘šπ‘šI

net of inward (centripetal) force components

top related