
Kegravitian

Quiz
•
Physics
•
4th Grade
•
Medium
TUAN NOR ASIAH Moe TUAN MUDA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Newton's law of gravitation, the Earth and the Moon are gravitationally attracted to each other. The more massive Earth attracts the Moon with...
Mengikut Hukum Kegravitian Newton, terdapat daya tarikan graviti antara Bumi dan Bulan . Bumi yang berjisim lebih besar akan menarik Bulan dengan ...
a stronger force than the Moon attracts the Earth.
daya lebih kuat dari daya Bulan ke atas Bumi.
a weaker force than the Moon attracts the Earth.
daya lebih lemah dari daya Bulan ke atas Bumi.
the same force as the Moon attracts the Earth.
daya sama dengan daya Bulan ke atas Bumi.
a force that is sometimes stronger and other times weaker than the Moon attracts the Earth.
daya yang kadangkala lebih besar dari daya Bulan ke atas Bumi dan kadangkala lebih kecil.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is Newton's Law on Gravitation?
Yang manakah merupakan Hukum Kegravitian Newton?
F=Gm1m2/r
F = Gm1m2/r2
F = Gm1m2/2r
F = m1m2/2r
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given that planet A has a mass of 6 x 10^15 kg and planet B has a mass of 3.5 x 10^20 kg. If the gravitational force between the two planets is 5500 N, calculate the distance between their centers.
Diberi jisim planet A ialah 6 x 1015 kg dan jisim planet B ialah 3.5 x 1020 kg. Jika daya graviti antara dua planet ialah 5500 N, kira jarak antara pusat kedua planet itu.
5.59 x 10^13
1.55 x 10^12
1.59 x 10^11
5.59 x 10^11
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following shows the speed of the ball?
Yang manakah menunjukkan laju bola?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A satellite orbits the Earth, Which of the following shows the direction of its centripetal force?
Sebuah satelit mengelilingi Bumi. Yang manakah yang menunjukkan arah daya memusat satelit tersebut?
directed outward
arah keluar
tension
tekanan
directed toward the center
arah tengah
9.8 N
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following increase the centripetal force?
Yang manakah antara berikut boleh meningkatkan daya memusat?
Increasing the radius
Meningkatkan jejari
Increasing the velocity
Meningkatkan halaju
Decreasing the mass
Mengurangkan jisim
Decreasing the acceleration
Mengurangkan pecutan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person throws a small ball while rotating. Calculate the amount of centripetal force it takes for her to rotate the ball with a speed of 3 m/s. Given that the ball weighs 0.12 kg and her arm is 0.65 m long.
Seorang pelajar membaling sebuah bola kecil sambil berpusing. Kira daya memusat yang diambil olehnya untuk memusingkan bola dengan laju 3m/s. Diberi jisim bola ialah 0.12kg dan panjang lengannya ialah 0.65m.
0.38 N
1.23 N
0.55 N
1.66 N
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