Quiz GRAVITATION ( 1 ) -Newton's Universal Law of Gravitation

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1. What shape is the path of a planet that surround the Sun? *

2 points

Focus

Ellipse

Circle

Perihelion

2. What would be the duration of the year if the distance between the earth and the sun is doubled? *

2 points

730 days

129 days

365 days

1032 days

3. What keeps an Earth satellite moving in its orbit? *

2 points

Gravitational attraction of Sun

Burning the fuel

Ejection of gases from the exhaust of the satellite

Gravitational attraction between satellite and earth

4. If the Earth is a uniform sphere of radius R, which of the following is the graph of the gravitational force F on a body against distance x from the centre of the Earth. *

2 points

Option 3

Question 5: *

2 points

1.00 x 10^-9 N

1.36 x 10^-9 N

1.42 x 10^-9 N

1.55 x 10^-9N

Question 6: *

2 points

2.0 x 10^-3 m

3.3 x 10^-2 m

4.2 x 10^-2 m

5.7 x 10^-2 m

Question 7: *

2 points

3.1 x 10^ -4 N

3.6 x 10^ -4 N

5.3 x 10^ -4 N

5.7 x 10^ -4 N

Question 8: *

2 points

6.4 x 10^ 22 N

7.9 x 10^ 28 N

3.8 x 10^ 28 N

4.1 x 10^ 22 N

Question 9: *

2 points

0.55 ms-2

1.56 ms-2

1.70 ms-2

1.83 ms-2

Question 10: *

2 points

3.56 ms-2

3.69 ms-2

3.90 ms-2

4.12 ms-2

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