PHYSICS F4 KSSM C3: GRAVITITIONAL 3.1
Quiz
•
Physics
•
11th - 12th Grade
•
Practice Problem
•
Hard
UMAIR MOHAMAD
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13 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
The two important relationship stated in Newton's Universal Law of Gravitational are:
Dua hubungan penting yang dinyatakan dalam Hukum Kegravitian Newton ialah:
gravitational force is directly proportional to the product of the masses of the two bodies
Daya graviti adalah berkadar terus dengan hasil darab dua jisim tersebut
gravitational force is inversely proportional to the square of the distance between the centres of the two bodies
Daya graviti adalah berkadar songsang dengan kuasa dua jarak antara dua pusat jisim tersebut
gravitational force is inversely proportional to the product of the masses of the two bodies
Daya graviti adalah berkadar songsang dengan hasil darab dua jisim tersebut
gravitational force is directly proportional to the square of the distance between the centres of the two bodies
Daya graviti antara dua jisim adalah berkadar terus dengan kuasa dua jarak antara dua pusat jisim tersebut
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate gravitational force between an elephant and the Earth. Given the distance between the elephant and the Earth is
Hitung daya graviti antara sekor gajah dan bumi. Jarak antara gajah tersebut dan pusat bumi ialah
[mass of the elephant: 3000 kg]
[mass of the Earth: ]
[G = ]
29.44 kN
29 440 kN
1.875 kN
1.875 MN
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A rocket experiences 5.11 x 105 N gravitational force at launching port. If distance between the rocket and center of the Earth is 6.37 x 106 m, calculate the mass of the rocket
sebuah roket mengalami daya graviti sebanyak 5.11 x 105 N di pad pelepasannya. Jika jarak antara roket tersebut tersebut dan pusat bumi ialah 6.37 x 106 m, hitung jisim roket tersebut.
[mass of the Earth = 5.97 x 1024 kg ]
[G = 6.67 x 10-11 N m2 kg-2]
5.21 x 104 kg
8.17 x 104 kg
5.21 x 103 kg
8.17 x 103 kg
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
gravitational acceleration at the surface of the earth is g m s-2. If Ammar at 1000 m below the surface of the earth, value of gravitational acceleration on Ammar will be
pecutan graviti di permukaan bumi ialah g m s-2. Jika Ammar berada pada kedalaman 1000 m dari permukaan bumi, nilai pecutan graviti terhadap Ammar akan
greater than g
lebih besar daripada g
less than g
lebih kecil daripada g
equal to g
sama dengan g
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
gravitational acceleration at the surface of the earth is g m s-2. If Firdaus at 1000 m above the surface of the earth, value of gravitational acceleration on Firdaus will be
pecutan graviti di permukaan bumi ialah g m s-2. Jika Firdaus berada 1000 m tinggi dari permukaan bumi, nilai pecutan graviti pada Firdaus akan
greater than g
lebih besar daripada g
less than g
lebih kecil daripada g
equal to g
sama dengan g
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sattelite orbiting Earth at height of 510 km from the surface of the Earth. Calculate gravitational acceleration on the sattelite.
Sebuah satelit mengorbit bumi pada ketinggian 510 km dari permukaan bumi. Hitung pecutan graviti pada satelit itu.
[G = 6.67 × 10–11 N m2 kg–2]
[mass of the Earth, M = 5.97 × 1024 kg]
[radius of the Earth, R = 6.37 × 106 m]
8.41 m s-1
6.88 m s-1
6.88 m s-2
8.41 m s-2
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Antara berikut, yang manakah BENAR kesan pada seorang angkasawan apabila beliau berada di ruang angkasa pada jangka waktu yang lama?
Tulang akan kehilangan ketumpatan lalu ia menjadi rapuh.
Jantung kehilangan jisim lalu ia mengecil
Kurang pengaliran darah dalam tubuh lalu menyebabkan mudah lesu
tekanan darah berkurang
pertumbuhan rambut dan kuku berhenti
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