G
wynosi µ
Ä…=450
=?
µ=1/4
y
Ä…=450
x
=?
"F = 0 Ò! T1 = 12 S , "F = 0 Ò! N1 = G - 12 S ,
x y
N1 = G - T1. ( 1)
T1 = µN1 . ( 2)
T1 = µ(G - T1) ,
µ
( 3)
T1 = G .
µ +1
"F = 0 Ò! N1 = N2
y
T1 = µN1 i T2 = µN2 T1 = T2 . ( 4)
= 0 Ò! T1 + T2 = P . ( 5)
"Fx
2µ
P = G µ=ź. mamy
µ +1
2
ostatecznie P = G
5
2

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