ahupūngao

Te kawe wera - ngā raruraru me ngā otinga

1. E rua ngā konganuku he rite te rahi engari he rerekē ngā momo. Ko te kawe wera o P = 2 ngā wā o te kawe wera o Q. He aha te pāmahana i waenganui i ngā konganuku e rua, e whakaaturia ana i te pikitia i raro nei.

Mōhiotia:

k _Q = k

kP ₌ 2k

E hiahiatia ana: Te pāmahana i waenganui i ngā konganuku e rua

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Te nekehanga hurihuri - ngā raruraru me ngā otinga

Tuhinga

1. He kurupae 140 cm te roa. E toru ngā kaha e pā ana ki te kurupae, F ₁ = 20 N, F ₂ = 10 N, me F ₃ = 40 N, me te ahunga me te tūranga e whakaaturia ana i te pikitia i raro nei. He aha te taipana e meinga ai te kurupae kia huri huri noa i te pokapū o te papatipu o te kurupae?

Mōhiotia:

Kei waenganui o te kurupae te pokapū o te papatipu.

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Ngā mara hiko - ngā raruraru me ngā otinga

1. Kei waenganui i ngā utu e rua te Pūwāhi A. He rite te rahi o ngā utu e rua engari he rerekē te tohu, ā, he tawhiti a te a kei waenganui i a rāua. Ko te rahi o te āpure hiko i te pūwāhi A he 36 N/C. Mena ka neke te pūwāhi A i te 1/2a tata ki tētahi o ngā utu e rua , he aha te rahi o te āpure hiko i te pūwāhi A?

Mōhiotia:

Utu 1 (q ₁ ) = +Q

Utu 2 (q ₂ ) = -Q

Ko te tawhiti i waenganui i te utunga 1 me te pūwāhi A (r _1A ) = ½ a

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Te kaha hiko - ngā raruraru me ngā otinga

1. E toru ngā utu e whakaaturia ana i te pikitia i raro nei . He aha te kaha hiko e pāngia ana e te utu B. k = 9 x 10 ⁹ Nm ² C ⁻² , 1 μC = 10 ⁻⁶ C.

Mōhiotia:

q_A = 10 µC = 10 x 10^-6 C=10^-5 Coulomb

q _B = 10 µC = 10 x 10 ^-6 = 10 ^-5 Ngā Coulomb

q _C = 20 µC = 20 x 10 ^-6 = 2 x 10 ^-5 Ngā Coulomb

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Te hiko pūmau – ngā raruraru me ngā otinga

Te kaha hiko

1. Te Pūwāhi A i roto i te papa hiko . Ko te rahi o te papa hiko i te pūwāhi A = 0.5 NC ^-1 . Mena ka whakanohoia he utu 0.25-C ki te pūwāhi A, he aha te kaha hiko e pā ana ki te utu?

Mōhiotia:

Papa hiko i te pūwāhi A = 0.5 NC ^-1

Te utu hiko i te pūwāhi A = 0.25 C

E hiahiatia ana: Te kaha hiko

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