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3.3 Satelit buatan manusia

Authored by Fatihah Mokhtar

Physics

10th Grade

Used 14+ times

3.3 Satelit buatan manusia
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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Linear speed of satellites, v can be determine by

Laju linear satelit,v boleh ditentukan daripada

I. centripetal force/ daya memusat

II. Newton's First Law/ Hukum Newton Pertama

III. Kepler's First Law/ Hukum Kepler Pertama

IV. Newton’s Universal Law of Gravitation/ Hukum Kegravitian Semesta Newton

I and III/ I dan III

II and III/ II dan III

I and IV/ I dan IV

II and IV/ II dan IV

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rocket is launched at the surface of the Earth. As the rocket moves away from the Earth's surface, what happens to its weight?


Sebuah roket dilancarkan di permukaan Bumi. Apabila roket bergerak dari permukaan Bumi, apakah yang berlaku kepada beratnya?

Increase/ Bertambah

Decrease/ Berkurang

Remain the same/ kekal sama

Depends of its speed/ Bergantung kepada kelajuannya

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

"Moves around the Earth in the same direction as the

direction of the Earth’s rotation on its axis/ Bergerak mengelilingi Bumi dalam arah yang sama dengan

arah putaran Bumi pada paksinya"

This Statement is refer to/ Pernyataan ini merujuk kepada

Man-made satellites/ Satelit Buatan Manusia

Geostationary satellite/ Satelit geopegun

Non-geostationary satellite/ Satelit bukan geopegun

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about geostationary satellite?

Antara berikut, yang manakah benar mengenai satelit geopegun?

I. It moves in the direction of the earth orbit./ Ia bergerak dalam arah yang sama dengan putaran bumi.

II. Its period of rotation is 24 hours./ Tempoh putarannya adalah 24 jam.

III. Its orbit is always above the same geographical location./

Orbitnya sentiasa berada di atas kedudukan geografi yang sama di permukaan bumi.

IV. It does not experience any gravitational pull./ Ia tidak mengalami sebarang tarikan gravity.

I, II and III only/ I, II dan III sahaja

I and III only/ I dan III sahaja

II and IV only/ II dan IV sahaja

All above/ Semua di atas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following systems do not use nongeostationary orbits?


Antara sistem berikut, yang manakah tidak menggunakan orbit bukan geopegun?

MEASAT/ MEASAT

Weather forecast / Kaji cuaca

Earth imaging/ Pengimejan Bumi

Global Positioning System (GPS)/ Sistem Kedudukan Sejagat (GPS)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A satellite is always visible on the surface of the earth at the same place all year round. How much time does it take for the satellite to move in orbit?


Sebuah satelit sentiasa kelihatan berada di atas permukaan bumi pada suatu tempat yang sama sepanjang tahun. Berapakah tempoh masa untuk satelit itu bergerak dalam orbitnya?

1 hour/ jam

12 hours/ jam

24 hours/ jam

365 days/ hari

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not factors which influence the value of escape velocity from a planet


Antara berikut yang manakah bukan faktor yang mempengaruhi nilai halaju lepas dari sebuah planet

mass of the Earth, M/ jisim Bumi, M

mass of the object, m/ jisim objek, m

distance, r of the object from the centre of the Earth/ jarak, r objek dari pusat Bumi

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