Lipotso tse 3 mabapi le equation ea lebelo la Angular
1. Ntho e tsamayang tseleng e chitja e na le radius ya 0.5 m. Karoloana e kgona ho kwahela sekhutlo sa 60π rad ka metsotswana e 15. Fumana lebelo la angular la ntho eo.
Tse tsejoang:
Radius (r) = limithara tse 0.5
Sekhutlo (θ) = 60π rad
Nako ea ho arohana (t) = metsotsoana e 15
Ho batloa: Lebelo la Angular (ω)
tharollo:
θ = ω t
60π = ω (15)
ω = 60π / 15 = 4π rad/s
2. Lebili la baesekele le nang le radius ea 30 cm le potoloha ka lebelo le sa fetoheng. Valve ea thaere e ka potoloha ka sekhutlo sa 120π rad metsotsoana e 10. Fumana lebelo la angular.
Tse tsejoang:
Radius (r) = 30 cm
Sekhutlo (θ) = 120π rad
Nako ea nako (t) = 10 s
Ho batloa: Lebelo la Angular (ω)
tharollo:
θ = ω t
120π = ω (10)
ω = 120π / 10 = 12π rad/s
3. Thapo e phuthetsoe ho potoloha lebili le nang le radius R = 25 cm joalo ka ha ho bontšitsoe. Haeba ntlha holim'a thapo (ntlha A) e na le lebelo la 5 m/s joale lebelo la ho potoloha la lebili ke…
Tse tsejoang:
Radius (r) = 25 cm = 0.25 metres
Lebelo (v) = 5 m/s
Ho batloa: Lebelo la Angular (ω)
tharollo:
Foromo ea kamano pakeng tsa lebelo la angular, lebelo le otlolohileng le radius:
v = r ω
5 = (0,25) ω
ω = 5 / 0,25 = 20 rad/s
