1. Angular Momentum (l) -
Units:
Angular Momentum is a vector whose direction is perpendicular to the plane containing r and p given by the right hand rule.

2. a. the angular momentum of the particle,
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3. b. and the torque acting on the particle.
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4. 2. Two objects are moving as shown
2. Two objects are moving as shown. What is their total angular momentum about point O?

5. 2. Two objects are moving as shown
2. Two objects are moving as shown. What is their total angular momentum about point O?
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6. 3. What is the angular momentum of a rigid object rotating about a fixed axis?
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7. Angular Momentum of a rigid object rotating about a fixed axis
3. What is the angular momentum of a rigid object rotating about a fixed axis?
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Angular Momentum of a rigid object rotating about a fixed axis

8. 3. Three particles, each of mass m, are fastened to each other and to a rotation axis by three massless strings, each with length l. The combination rotates around the rotational axis at O with angular velocity ω in such a way that the particles remain in a straight line. In terms of m, l and ω and relative to point O, what are
a. the rotational inertia of the combination,

9. Treat as a separate object
3. Three particles, each of mass m, are fastened to each other and to a rotation axis by three massless strings, each with length l. The combination rotates around the rotational axis at O with angular velocity ω in such a way that the particles remain in a straight line. In terms of m, l and ω and relative to point O, what are
b. the angular momentum of the middle particle,
2 methods
Treat as a separate object
But

10. 3. Three particles, each of mass m, are fastened to each other and to a rotation axis by three massless strings, each with length l. The combination rotates around the rotational axis at O with angular velocity ω in such a way that the particles remain in a straight line. In terms of m, l and ω and relative to point O, what are
b. the angular momentum of the middle particle,
2 methods
Treat as a rigid object
But

11. 3. Three particles, each of mass m, are fastened to each other and to a rotation axis by three massless strings, each with length l. The combination rotates around the rotational axis at O with angular velocity ω in such a way that the particles remain in a straight line. In terms of m, l and ω and relative to point O, what are
c. the total angular momentum of the three particles.