{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Phys2A_F07_Lecture_10

# Phys2A_F07_Lecture_10 - Motion in a Circle For uniform...

This preview shows pages 1–10. Sign up to view the full content.

W. P. Beyermann Fall 2007 1 Motion in a Circle For uniform circular motion, the acceleration is constant and always points toward the center of rotation. This is called centripetal acceleration, and its magnitude is v 2 /r .

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
W. P. Beyermann Fall 2007 2 Uniform Circular Motion radians. in measured is where , θ r s = Angular Position
W. P. Beyermann Fall 2007 3 i f θ = Δ dt d t t ω = Δ Δ = Δ 0 lim Angular Velocity For a particle in circular motion, the velocity only has a tangential component. r dt d r dt ds v t = = = Then with measured in rad/s.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
W. P. Beyermann Fall 2007 4 . at time graph versus the of slope t t θ ω= . and between graph versus under the area f i i f t t t ω + = t i f Δ + =
W. P. Beyermann Fall 2007 5 Graphical Representation of Circular Motion

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
W. P. Beyermann Fall 2007 6 A particle moves cw around a circle at constant speed for 2 s. It then reverses direction and moves ccw at half the original speed until it has traveled though the same angle. Which is the particle’s angle-versus-time graph? b Conceptual Example
W. P. Beyermann Fall 2007 7 r-t-z Coordinate System

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 10

Phys2A_F07_Lecture_10 - Motion in a Circle For uniform...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online