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Setlist L18 Changing angular momentum, Torque, Rotational Kinetic Energy prep: chair to spin on, wheel, yo-yos 1. Recap 2. Clicker [Q] - Angular acceleration on chair? - B 3. Clicker [Q] - Man running on disc - B 4. Clicker [Q] - Spinning wheel on chair - B 5. Torque is to angular momentum as force is to momentum 6. Torques, forces, and the right-hand rule. 7. Clicker [Q] - Net torque on a wheel - B 8. Clicker [Q] - Largest angular acceleration - B 9. Clicker [Q] - Precession 10. Precession discussion 11. Clicker [Q] - Dropping masses attached to different wheels - A 12. Clicker [Q] - Yo-yos falling - B 13. Rotational Kinetic Energy 14. Angular momentum of a point mass 15. Clicker [Q] - Trajectory if string cut - C 16. Activity [Q] - Angular momentum after string cut 17. Angular momentum about a point 18. Clicker [Q] - Orbital Angular momentum - D

Setlist L18 Changing angular momentum, Torque, Rotational

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Page 1: Setlist L18 Changing angular momentum, Torque, Rotational

Setlist L18

Changing angular momentum, Torque, Rotational Kinetic Energy prep: chair to spin on, wheel, yo-yos

1. Recap 2. Clicker [Q] - Angular acceleration on chair? - B 3. Clicker [Q] - Man running on disc - B 4. Clicker [Q] - Spinning wheel on chair - B 5. Torque is to angular momentum as force is to momentum 6. Torques, forces, and the right-hand rule. 7. Clicker [Q] - Net torque on a wheel - B 8. Clicker [Q] - Largest angular acceleration - B 9. Clicker [Q] - Precession 10. Precession discussion 11. Clicker [Q] - Dropping masses attached to different wheels - A 12. Clicker [Q] - Yo-yos falling - B 13. Rotational Kinetic Energy 14. Angular momentum of a point mass 15. Clicker [Q] - Trajectory if string cut - C 16. Activity [Q] - Angular momentum after string cut 17. Angular momentum about a point 18. Clicker [Q] - Orbital Angular momentum - D

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Clicker 7 Net torque

When calculating net torque1 find torquefrom each force2 all torques that make theobject spin in the samedirection have the same

sign

1Tp t IORi l

ir f sus t 81f Fosmitive T 10R sin 45Ts II T

They 10 8k 10sin 45 Rl 07 R negative so cow

B

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L
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clidarCQI S.li DiskaudHoop

SEEqI I

1J

11 1 1114 11 4 11 calm

The block that hits the ground firstis attached to the wheel that is allowedto rotate the fastest

L I esame tongue

I solids T.ee stI

AI

j YeisthThe angular position is D is

If R w RVR

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