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Informal sessions:

o Tu 3:30-4:20pm, RAS 218;

o Fri 4-4:50pm, ECJ 1.204.

Lecture 25 (iq21)

Motion of rigid body

• Kinetic energy and moment of inertia: K=(1/2)Iw².
• Moment of Inertia
• Torque: t =F ´ lever-arm= F ´ r_^
• t = I a
• Work energy theorem

Reminders:

• Review chapter 12, read chapter 13 and corresponding PQ questions.
• Today’s instructor’s informal session (4-4:50pm, ECJ 1.204), HW9.
• Interested in discussing your standing in this course? Please see me.

• Bring a copy of your Quest-record with you when you come.
• When and where?

§ MWF after class (outside of Pai2.48, 12:50pm on)

§ Tu after instructor’s session (outside of RAS 218, 4:20pm on)

§ Fri after instructor’s session (outside of ECJ1.204, 4:50pm on)

§ Contact me through email. Remember include Phy303K on the subject line.