PHYS 101 Lecture Notes - Lecture 26: Angular Velocity, Angular Acceleration, Maltese Lira

63 views3 pages

For unlimited access to Class Notes, a Class+ subscription is required.

PHYS 101: Physics for the Life Sciences Lecture 26:
Angular Momentum Examples
dL
dt =τ
If there is no net torque on the system then,
dL
dt =0
And therefore the angular momentum is conserved.
L=r × P=m(r× V )
L
=m
r
V
sin φ
¿m
r
V
sin (90 °)
¿m
r
V
¿m
r
2
ω
¿I
ω
Example:
A rigid rod of mass M and length
is pivoted without friction at it’s centre. Two
particles of masses m1 and m2 are stuck on the end and rotates in a vertical plane with
angular velocity
ω
.
A. Calculate an expression for the angular momentum of the system.
Unlock document

This preview shows page 1 of the document.
Unlock all 3 pages and 3 million more documents.

Already have an account? Log in

Get access

Grade+
$10 USD/m
Billed $120 USD annually
Homework Help
Class Notes
Textbook Notes
40 Verified Answers
Study Guides
1 Booster Class
Class+
$8 USD/m
Billed $96 USD annually
Homework Help
Class Notes
Textbook Notes
30 Verified Answers
Study Guides
1 Booster Class