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→<br />
F c F → s <br />
F<br />
→<br />
→<br />
F op <br />
<br />
F op<br />
F s<br />
F<br />
<br />
<br />
<br />
→<br />
F w = → F c + → F s + → F + → F op = → 0<br />
<br />
F s = F c F = F op<br />
-<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
F op =0<br />
<br />
→<br />
F w = ma<br />
→<br />
mg → = ma<br />
→<br />
<br />
→<br />
a = g<br />
→<br />
→ g<br />
<br />
<br />
<br />
F c<br />
Rys. 10.5<br />
86
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