Orbits And Gravity Quiz

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  • 1/9 Questions

    What is Gravity?

    • Gravity is the force that causes smaller bodies to accelerate towards the surface of a larger body.
    • Gravity is the force that causes smaller bodies to accelerate away from the surface of a larger body.
    • Gravity is the force that causes larger bodies to accelerate towards the surface of a smaller body.
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About This Quiz

Explore the fundamentals of gravity and orbital mechanics in this engaging quiz. Assess your understanding of how gravity influences celestial bodies, the nature of orbits, and the dynamics of satellites in space. Perfect for learners interested in physics and astronomy.

Orbits And Gravity Quiz - Quiz

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  • 2. 
    What is the value if the force of gravity on Earth? - ProProfs

    What is the value if the force of gravity on Earth?

    • 9.8 m/s/s

    • 12 m/s/s

    • 1 m/s/s

    Correct Answer
    A. 9.8 m/s/s
    Explanation
    The value of the force of gravity on Earth is 9.8 m/s/s. This value is commonly known as the acceleration due to gravity and represents the rate at which objects accelerate towards the Earth when in free fall. It is a constant value on Earth and is used in various physics calculations and equations.

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  • 3. 
    Is the value if g on Venus likely ti be the same as the value of Earth? Why or Why Not? - ProProfs

    Is the value if g on Venus likely ti be the same as the value of Earth? Why or Why Not?

    • Yes because the force of gravity is the same on every planet

    • No because the force of gravity depends on the masses of the objects involved

    • Yes because the force of gravity is determined by the Sun which is the same star for the Earth and for Venus

    Correct Answer
    A. No because the force of gravity depends on the masses of the objects involved
    Explanation
    The correct answer is No because the force of gravity depends on the masses of the objects involved. The force of gravity between two objects depends on their masses and the distance between them. Since the mass of Venus is different from the mass of Earth, the force of gravity on Venus would be different. Therefore, the value of g on Venus is not likely to be the same as the value on Earth.

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  • 4. 
    Is the following TRUE or False? If a celestial body that was 500 km diameter was close to a celestial body that was 45677999 km diameter in space, the bigger object would form an orbit around the smaller body. - ProProfs

    Is the following TRUE or False? If a celestial body that was 500 km diameter was close to a celestial body that was 45677999 km diameter in space, the bigger object would form an orbit around the smaller body.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because the formation of an orbit is determined by the mass of the celestial bodies, not their diameter. The larger object would have a greater mass and therefore a stronger gravitational pull, causing the smaller object to orbit around it instead.

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  • 5. 
    What are orbits?   - ProProfs

    What are orbits?  

    • A circular path around an object of any size

    • A set distance and path that only planets take around the Sun.

    • A set distance and path that a smaller celestial body takes around a bigger celestial body

    Correct Answer
    A. A set distance and path that a smaller celestial body takes around a bigger celestial body
    Explanation
    This answer correctly explains that orbits are a set distance and path that a smaller celestial body takes around a bigger celestial body. Orbits are observed in the solar system, where planets revolve around the Sun, as well as in other celestial systems, where moons orbit around planets or satellites orbit around stars. This explanation highlights the key concept of orbits being a specific trajectory followed by smaller objects around larger objects due to gravitational forces.

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  • 6. 
    What are moons and how are they formed? - ProProfs

    What are moons and how are they formed?

    • Moons are mini planets that are too small to be classified as planets themselves

    • Moons are natural satellites that form from debris from planetary collisions

    • Moons are small offshoots from the Sun that form natural satellites around planets

    Correct Answer
    A. Moons are natural satellites that form from debris from planetary collisions
    Explanation
    Moons are natural satellites that form from debris from planetary collisions. When two celestial bodies, such as planets, collide, the impact can cause debris to be ejected into space. This debris can then come together and form a moon that orbits the larger body. These moons are often smaller than planets and are held in orbit by the gravitational pull of the larger body.

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  • 7. 
    What are the factors that influence orbits (Tick all the boxes that are correct) - ProProfs

    What are the factors that influence orbits (Tick all the boxes that are correct)

    • Size of the celestial bodies involved

    • The force of gravity

    • The temperature of the celestial bodies involved

    • The speed that the celestial bodies are moving at

    Correct Answer(s)
    A. Size of the celestial bodies involved
    A. The force of gravity
    A. The speed that the celestial bodies are moving at
    Explanation
    The factors that influence orbits are the size of the celestial bodies involved, the force of gravity, and the speed that the celestial bodies are moving at. The size of the celestial bodies determines the strength of their gravitational pull, which affects the shape and size of the orbit. The force of gravity is responsible for keeping the celestial bodies in orbit around each other. The speed at which the celestial bodies are moving determines the shape of the orbit, with faster speeds resulting in more elliptical orbits. The temperature of the celestial bodies is not a factor that influences orbits.

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  • 8. 
    How do satellites remain in space for decades without being lost?   - ProProfs

    How do satellites remain in space for decades without being lost?  

    • They are programmed to stay at one single spot and use rockets to stay in the same position

    • They form an orbit around a bigger object such as the Earth and remain in in that orbital distance away from the surface of the planet forever.

    • They are placed there by rockets and staffed by Astronauts who pilot them to required locations

    Correct Answer
    A. They are programmed to stay at one single spot and use rockets to stay in the same position
    Explanation
    Satellites remain in space for decades without being lost because they are programmed to stay at one single spot and use rockets to maintain their position. This programming allows them to constantly adjust their trajectory and counteract the effects of gravity and other forces that could cause them to drift away. By using rockets, they can make small corrections to their orbit and ensure they stay in the same position relative to the Earth or another celestial body.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 27, 2018
    Quiz Created by
    CB
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