1. Ibhola elingu-0.2 kg, elinamathiselwe ekugcineni kwentambo evundlile, lizungezwe yindilinga yerediyasi engu-1 imitha kanti isivinini esiphezulu sebhola singu-10 rpm. Ubukhulu bokusheshisa kwe- centripetal kanye nobukhulu bamandla okucindezela buyini?
Kwaziwa:
Isisindo (m) = 0.2 kg
Irediyasi (r) = 1 m
Ijubane le-angular (ω) = 10 rev/min = 10 rev/60 s = 0.17 rev/s = (0.17)(6.28 rad)/s = 1 rad/s
Ijubane (v) = r ω = (1 m)(1 rad/s) = 1 m/s
Okufunwayo: a s kanye no -Σ F
Isixazululo:
(a) Ubukhulu bokusheshisa kwe-centripetal
(b) Ubukhulu bamandla okucindezela
Σ F = ma
T = ma s
T = (0.2 kg)(1 m/s 2 )
T = 0.2 kg m/s 2
T = 0.2 N
2. Ibhola elingamakhilogremu angu-1 ekugcineni kwentambo lijikeleza ngokulinganayo esiyingini esivundlile esingu-1 m. Intambo izophuka uma ukucindezeleka okukuyo kudlula ama-N angu-100. Yiliphi ijubane elikhulu ibhola elingaba nalo?
Kwaziwa:
Isisindo (m) = 1 kg
Irediyasi (r) = 1 imitha
Amandla okucindezela (T) = amandla amaphakathi ( Σ F) = 100 N
Kufunwa: v esiphezulu
Isixazululo:
[wpdm_package id='499′]
- Isisindo kanye nesisindo
- amandla ajwayelekile
- Umthetho wesibili wokunyakaza kukaNewton
- Amandla okungqubuzana
- Ukunyakaza endaweni evundlile ngaphandle kwamandla okungqubuzana
- Ukunyakaza kwemizimba emibili ngokusheshisa okufanayo endaweni evundlile eqinile ngamandla okungqubuzana
- Ukunyakaza endizeni ethambekele ngaphandle kwamandla okungqubuzana
- Ukunyakaza endizeni ethambekele emangelengele ngamandla okungqubuzana
- Ukunyakaza e-lifti
- Ukunyakaza kwemizimba kuxhunywe ngezintambo nama-pulleys
- Imizimba emibili enesilinganiso esifanayo sokusheshisa
- Ukuzungeza ijika eliyisicaba - amandla okunyakaza okujikelezayo
- Ukuzungeza ijika eligobile - amandla okunyakaza okujikelezayo
- Ukunyakaza okufanayo kumbuthano ovundlile
- Amandla aphakathi ahambisanayo ajikelezayo
