Ngā tuhinga ahupūngao mō ngā āhuatanga taiao me ērā atu mea e pā ana ki te ahupūngao.
16 Ngā Tauira o ngā Pātai Nekehanga Hinga Noa.
1. Ka wehea te hua kokonati i te kākano, ā, ka tau ki te whenua i muri i ngā hēkona e toru. He aha te tere o te kokonati ina pā ki te whenua? karamu = 10 m/s2
Kōrero
E mōhiotia ana :
t = 3 hēkona
karamu = 10 m/s2
I pātaihia :
4 Ngā tauira o ngā rahinga i ahu mai, ngā tātai ine ā-ao me ngā tātai waeine
| Ngā rahinga i ahu mai | Tātai | He aha te moni matua kei roto? | Ngā rahinga o ngā rahinga i ahu mai | Pūnaha Ao o ngā Wāhanga Ngā rahinga i ahu mai |
| Rorarau | Te roa x te whānui | Roa (2) | [L2] | m2 |
| Te rōrahi o te porowhita | Te roa x te whānui x te teitei | Roa (3) | [L3] | m3 |
| Kiato | Taumaha / Rōrahi | Taumaha (1), roa (3) | [M] / [L]3] = [M][R-3] | Kg / m3 |
| Te tere | Tawhiti / wā | Roa (1), wā (1) | [R] / [T] = [R] [T]-1] | m / s |
| Whakaterenga | Tere / wā | Roa (1), wā (2) | [L] [T]-1] / [T] = [L] [T-2] | m / s2 |
| Gaya | Papatipu x whakaterenga | Papatipu (1), roa (1), wā (2) | [M][L][T-2] | Kg m/s2 |
| Pakihi | Te kaha x te nekehanga | Papatipu (1), roa (2), wā (2) | [M][L][T-2[R] = [M][R2[T-2] | kg m2/s2 |
Hei kimi i te maha o ngā rahinga taketake, tuatahi titoa te tātai rahinga kua ahu mai.
Ngā tohutohu mō te whakamātautau ture a Archimedes
Ko te whāinga o te whakamātautau ture a Archimedes:
– Ka taea e ngā ākonga te ine i te rōrahi me te taumaha o te wai kua nekehia e tētahi mea kua rukuhia ki te wai.
– Ka taea e ngā ākonga te mōhio me te mārama ki te ture a Ākimete
Ngā taputapu me ngā rauemi:
– Ipu rahi-waenga (1)
– Ipu iti (1)
– Teinamōmita (1)
– Utaina (1)
6 Ngā Tauira o Ngā Pātai Ture a Ākimete
1. E hia te rōrahi o te kōhatu e whakanohoia ana ki te wai moana mēnā ko te taumaha o te wai moana kua nekehia e te kōhatu he 2 Newton? Te mātotoru o te wai moana = 1025 kg/m3.
Kōrero
5 Ngā tauira o ngā pātai mō te pōrewarewa
1. Ko te taumaha o te kawenga i te hau he 3 N, ko te taumaha o te kawenga i te wai he 2,8 N. E hia te kaha pōrewarewa e pā ana ki te kawenga e te wai?
Kōrero:
Te Mārama ki te Ture a Pascal
He pēhea te mahi a te tīki/ara hiki waipēhi ina whakamahia hei hiki i te waka? He pēhea te mahi a ngā pēki waipēhi ina whakamahia hei whakaroa i te waka?
E ai ki tā tātou i ako ai i te kaupapa o te Pēhanga Wai , ka pēhia e ia wai ngā mea katoa e pā atu ana ki a ia. Ko te wai e ringihia ana e tātou ki roto i te karāhe ka pēhia ngā pakitara o te karāhe. Waihoki, ina kaukau tātou i roto i te puna kaukau, i te wai moana rānei, ka pēhia e te wai tō tātou tinana katoa.
9 Ngā Tauira o te Ture a Pascal
1. Ko te horahanga whakawhiti-wāhanga o ia tīki waipēhi he 0,04 m2 me te 0,10 m2Mena he 5 Newton te kaha whakauru, he aha te kaha whakaputa mōrahi?
Kōrero:
E mōhiotia ana:
A1 = 0,04 m2
A2 = 0,10 m2
F1 = 5 N
I pātaihia: F2 ?
Whakautu:
I te akoranga ahupūngao o mua, i ako mātou i ngā kaupapa o te hihiri matūriki me te hihiri hurihuri . I roto i te hihiri matūriki, i ako mātou i ngā matūriki i roto i te nekehanga whakawhiti ( nekehanga poutū , nekehanga porowhita , nekehanga parabolic ). I roto i te hihiri hurihuri, i ako mātou i ngā tinana mārō hurihuri. I roto i tēnei kaupapa, i ako mātou i ngā mea kei roto i te taurite. E rua ngā momo taurite, arā, te taurite pūmau me te taurite hihiri. E ai ki te ture tuatahi a Newton, kei roto te mea i te taurite pūmau mēnā kei te okioki te mea, ā, kei roto te mea i te taurite hihiri mēnā kei te neke te mea i te tere pumau. Ka aro nui tēnei pepa ki te matapaki i te taurite pūmau (ngā mea tūmau).
Ko te hihiri hurihuri he peka o te miihini e ako ana i te nekehanga hurihuri e uru ana ki ngā kaha, ngā papatipu, me ētahi atu āhuatanga e awe ana i te nekehanga hurihuri. Ka hurihuri tetahi mea mena ka neke katoa ngā wāhanga o te mea huri noa i tētahi tuaka, i tētahi porowhita rānei kei runga i tētahi o ngā wāhanga o te mea. Ko te nekehanga hurihuri i akohia i roto i tēnei kaupapa e aro ana ki te nekehanga hurihuri huri noa i tētahi tuaka pumau. Ko te nekehanga o te pūrei, te pā, te nekehanga o te CD/DVD i roto i te rūma CD/DVD , te nekehanga o te tatau, te matapihi rānei, te nekehanga o te rango miihini, te poroporo hērakapeta, te waka rererangi rānei, te poroporo kaipuke rānei, he tauira ēnei o te nekehanga hurihuri huri noa i tētahi tuaka pumau. Kua kite koe i tētahi pōtaka hurihuri? Kei te huri tonu te tūranga o te tuaka o te pōtaka hurihuri (ka huri te piko o te pōtaka), nō reira kāore i akohia i roto i tēnei kaupapa te nekehanga hurihuri pēnei i te mea e pā ana ki te pōtaka hurihuri.
Te Mārama ki ngā Mātāpono o te Pango
Ki te whakaranua e tātou te wai wera me te wai matao ki roto i tētahi ipu tuwhera (hei tauira, he peere), ka whakawhitia te wera mai i te wai wera ki te wai matao. Nā te mea kua tuwhera te ipu, ka whakawhitia ētahi o te wera ki te hau. Ka mahana ake anō hoki te ipu. Ko te wera e tukuna ana e te wai wera ehara i te mea ka mimitia e te wai matao anake engari e te hau me te ipu anō hoki. I tēnei wā, he pūnaha kore-motuhake te peere.
Ina whakaranua te wai wera me te wai matao ki roto i tētahi termos kua kati, ka whakawhitia te wera mai i te wai wera ki te wai matao. He pūnaha motuhake te termos , nō reira kāore he wera e whakawhitia ki te hau, ki te termos rānei. Ka mimiti noa te wera e tukuna ana e te wai wera e te wai matao kia tae rā anō te ranunga ki te taurite wera.