6. BRYŁA SZTYWNA 6.1. a) ܫ = 2݉ܽଶ; b) ܫ = 4݉ܽଶ; c) ܫ = 2݉ሺܽଶ + 2݂ଶሻ

6.2. a) ܫ = ݉ܽଶ; b) ܫ = 2݉ܽଶ; c) ܫ = ௠௔మ

ଶ

6.3.

a) ܫ = ܯݎଶ

b) ܫ = ெ௟మ

ଵଶ

c) ܫ = ெ௟మ

ଷ

d) ܫ = ெோమ

ଶ

e) ܫ = ெோమ

ଶ

f) ܫ = ఙ௔௛య

ଵଶ

g) ܫ = ఙ௔௛య

ସ

h) ܫ = ଶ ܴ݉ଶ

ଷ

i)

ܫ = ଶ ܴ݉ଶ

ହ

6.4. ܫ = ଷ௠ௗమ

଼

6.5. ܫ = ௠ ሺܴଶ + ݎଶ + 2ܽଶሻ

ଶ

6.6. ܫ = 2݉ݎଶ

ோఱି௥ఱ

6.7. ܫ = ݉ ቀଶହ ோయି௥య + ܴଶቁ

6.8. a) ܫ = ଵ ܯ݈ଶ; b) ܫ = ଵ ܯ݈ଶ + ଷ ܴ݉ଶ; c) ܫ = 3ܴ݉ଶ

଼

଼

ଶ

6.9. ߝ =

ଶ்

ଶ௠௟మାଷெோమା଺ெሺ௟ାோሻమ

6.10. ܫ = ݉ݎଶ ቀ௚∆௧మ − 1ቁ

ଶ௛

6.11. ܧ௄ = ߩ݈݊ଶߨଷሺܴସ − ݎସሻ