This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Answer: the torque points out of the page at point A. 2. (1.5 pts) A playground carousel of radius 2 m is rotating with an angular velocity of 1 rad/s. You run and jump onto the edge of the carousel by matching your speed to that of the edge of the carousel. After you have jumped on, does the angular velocity of the carousel change? Discuss this in a few sentences using the concepts of angular momentum and rotational inertia. Answer: After jumping on, the carousel+you continue rotating at the same angular velocity as the carousel alone did. Angular momentum is conserved in this process: there are no external torques applied to the closed system (you + carousel). L = I = l F K rot = I 2...
View Full Document
This note was uploaded on 01/29/2010 for the course PHY 7A taught by Professor Pardini during the Fall '08 term at UC Davis.
- Fall '08