to get the file - OCW UPM
to get the file - OCW UPM
to get the file - OCW UPM
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⎛ m<br />
I = ⎜1kg<br />
⋅10<br />
⎝ s<br />
m<br />
m<br />
m ⎞<br />
2<br />
( 0,4m) 2<br />
− 0,1 ⋅1kg<br />
⋅10<br />
−1kg<br />
⋅ 4 −1kg<br />
⋅ 4<br />
= 0, 04<br />
2 2<br />
2<br />
2<br />
⎟<br />
m<br />
s s s ⎠ 4 2<br />
s<br />
kg ⋅ m<br />
Como el momen<strong>to</strong> de inercia de un cilindro, respec<strong>to</strong> a su eje de revolución es<br />
I<br />
1<br />
2<br />
0,04 kg ⋅ m<br />
= .<br />
(0,4m)<br />
2<br />
2<br />
= m<br />
polea<br />
R se deduce que la masa de la polea es m polea<br />
2 = 50 kg<br />
2<br />
El radio de giro es<br />
K =<br />
I<br />
m<br />
polea<br />
= 0,028 m
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