Gravitation

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Question 1

What is the force that pulls objects towards the Earth?

  • Friction

  • Gravitational force

  • Magnetic force

  • Electrostatic force

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Question 2

Which of the following objects experiences gravitational force?

  • Only objects with mass

  • Only objects in space

  • Only objects that are not moving

  • Only objects that are close to Earth

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Question 3

What happens to the gravitational force between two objects if their masses are doubled?

  • The force is halved

  • The force is doubled

  • The force is quadrupled

  • The force becomes zero

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Question 4

If the distance between two objects is doubled, what happens to the gravitational force between them?

  • It remains the same

  • It becomes four times stronger

  • It becomes half

  • It becomes one-fourth as strong

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Question 5

What is the shape of the path followed by a planet around the sun?

  • Circle

  • Ellipse

  • Straight line

  • Parabola

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Question 6

What is the value of the acceleration due to gravity (g) at the surface of the Earth?

  • 9.8 m/s²

  • 10 m/s²

  • 9.8 N/kg

  • 5 m/s²

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Question 7

Why does the gravitational force between two objects decrease as their distance increases?

  • The force is not affected by distance

  • Gravitational force weakens with distance according to an inverse square law

  • Objects become less massive as they move farther apart

  • Gravity can only act at short distances

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Question 8

What is the gravitational force between two objects of mass 10 kg and 20 kg, placed 2 meters apart?

  • Zero

  • Strong

  • Weak

  • It cannot be determined without knowing the gravitational constant

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Question 9

If the Earth’s mass were to suddenly double, how would the gravitational force on an object at the Earth’s surface change?

  • It would stay the same

  • It would double

  • It would quadruple

  • It would decrease by half

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Question 10

Which of the following is true regarding the gravitational force at the centre of the Earth?

  • The gravitational force is maximum at the centre

  • The gravitational force is zero at the centre

  • The gravitational force is proportional to the distance from the centre

  • The gravitational force increases as you go deeper inside the Earth

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Tags:
Physics

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