Practice IB Physics Topic D.1 Gravitational Fields with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for D.1 Gravitational Fields and mirrors Paper 1A, 1B, 2 style where relevant.
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The Moon orbits the Earth at an average distance of . The mass of the Earth is and .
(a) the direction of the gravitational field produced by the Earth.
(b) the gravitational field strength at the Moon’s orbit due to the Earth.
An orbital probe cannon orbits around a planet of mass at a radius of . If the cannon has a mass of , what is its angular momentum?
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(c) why the Moon remains in orbit despite this weak field.
Which of the following correctly describes the force acting between two point masses due to gravity?
An object weighs on Earth where the gravitational field strength is . What is its mass?
According to Newton's law of universal gravitation, which of the following would double the gravitational force between two point masses?
Repulsive and depends on their velocities
Attractive and depends only on their charges
Attractive and acts along the line joining the masses
Repulsive and decreases linearly with distance
Doubling the distance between them
Halving both masses
Doubling one mass
Squaring the distance between them
