bab 2: daya (meaning) Flashcards

1
Q

inersia

A

kecenderungan sesuatu objek untuk mengekalkan halaju asal sama ada dlm keadaan pengun atau pada halaju malar

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2
Q

laju

A

kadar perubahan jarak

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3
Q

halaju

A

kadar perubahan sesaran

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4
Q

pecutan

A

kadar perubahan halaju

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5
Q

gerakan jatuh bebas

A

tidak mengalami tindakan daya yang lain

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6
Q

momentum

A

kuantiti vektor sesuatu objek

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7
Q

impuls

A

perubahan momentum

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8
Q

daya impuls

A

kadar perubahan momentum

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9
Q

prinsip keabadian momentum

A

jumlah momentum sebelum perlanggaran adalah sama dengan jumlah momentum selepas perlanggaran jika tiada sebarang daya luar bertindak

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10
Q

kekuatan medan graviti

A

daya yg bertindak per unit jisim disebabkan oleh tarikan graviti

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11
Q

kukuatan medan gravitit bumi

A

9.81 ms^-1

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12
Q

kekuatan medan graviti bulan

A

1/6 drpd kekuatan medan graviti bumi

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13
Q

hukum gerakan newton kedua

A

kadar perubahan momentum berkadar terus dgn daya dan bertindak pada arah tindakan daya

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