According to the Newton’s Universal Law of Gravitation, the force of gravity between two objects is inversely proportional to
Menurut Hukum Kegravitian Semesta Newton, daya graviti antara dua objek adalah berkadar songsang dengan
FIZIK F4 SSR KEGRAVITIAN
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Physics
•
11th - 12th Grade
•
Hard
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the Newton’s Universal Law of Gravitation, the force of gravity between two objects is inversely proportional to
Menurut Hukum Kegravitian Semesta Newton, daya graviti antara dua objek adalah berkadar songsang dengan
the distance between the objects.
jarak antara dua objek
the product of the masses of the objects.
hasil darab jisim kedua-dua objek
the gravitational constant.
pemalar kegravitian
the square of the distance between the objects.
kuasa dua jarak antara dua objek
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
An object weighs 200 N on the surface of the Earth. Find its weight if it was 1 × 106 m above the surface.
[g = 10 ms-2, Mass of Earth = 6.0x1024 kg , Radius of the Earth, R = 6.37x106m , G = 6.67x10-11N m2 kg -2 ]
Suatu objek dengan berat 200 N berada di permukaan Bumi. Cari beratnya jika ia adalah 1 × 106 m di atas permukaan.
[g = 10 ms-2, Jisim Bumi = 6.0x1024 kg , Jejari Bumi, R = 6.37x106m , G = 6.67x10-11N m2 kg -2 ]
73.1 N
150.3 N
182.2 N
218.2 N
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diagram shows an athlete spinning a 7 kg hammer in a sport.
Rajah menunjukkan seorang atlet sedang memutar tukul besi berjisim 7 kg dalam satu acara sukan.
If the hammer moves with constant velocity 25 m s-1, calculate the centripetal force act on the hammer.
Jika tukul itu bergerak dengan halaju seragam 25 m s-1, hitung daya memusat yang bertindak ke atas tukul itu.
2187.5 N
2178.5 N
5582.7 N
5521. 7 N
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diagram shows two objects at distance, d. Gravitational force that acts is F = 10N.
Rajah menunjukkan dua objek yang berada pada jarak, d. Daya gravity yang bertindak ialah F = 10 N.
What is the value of F if the volume of each object doubles?
Berapakah nilai F jika isipadu kedua-dua objek digandakan?
5 N
10 N
20 N
40 N
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which law states that square of period of any planet is proportional to cube of the radius of its orbit?
Hukum manakah yang menyatakan bahawa kuasa dua tempoh bagi sebarang planet adalah berkadar dengan kuasa tiga jejari orbitnya?
Kepler’s Law I
Hukum Kepler I
Kepler’s Law II
Hukum Kepler II
Kepler’s Law III
Hukum Kepler III
Newton’s Law of Universal Gravitation
Hukum Semesta Kegravitian Newton
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diagram shows two satellites, M and N, in different orbits around the Earth. The orbit of N is located further from the Earth than the orbit of M.
Rajah menunjukkan dua satelit, M dan N, dalam orbit yang berlainan mengelilingi Bumi. Orbit N terletak lebih jauh dari Bumi berbanding orbit M.
Which of the following comparison based on Diagram is true?
Antara perbandingan berikut, yang manakah betul berdasarkan Rajah?
Gravitational acceleration on N > Gravitational acceleration on M
Pecutan graviti pada N > Pecutan graviti pada M
Centripetal force on N > Centripetal force on M
Daya memusat pada N > Daya memusat pada M
Orbital period of N > Orbital period of M
Tempoh orbit N > Tempoh orbit M
Orbiting velocity of N > Orbiting velocity of M
Halaju mengorbit bagi N > Halaju mengorbit bagi M
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The period of a satellite in a circular orbit of radius R is T. The period of another satellite in circular orbit of radius 4R is
Tempoh satelit di orbit bulatan berjejari R adalah T. Tempoh satelit lain dalam orbit bulat berjejari 4R adalah
8T
T/8
2T
T/4
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