Under what conditions can a 24 kg box
balance a 12 kg box?

I. Torque (t - Tau)

A) rotating force

B) depends on F and distant to pivot point

C) F distance - called moment arm, lever arm

D) Max when F 90 degrees to lever

E) t = d[Fsinq] (mN)

F) mN Joules

 

Giancoli p. 220) 23, 25

 

 

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