OCR A Level Physics B (Advancing Physics)
OCR A Level Physics B (Advancing Physics) Out into Space Exam Questions
Free OCR A Level Physics B (Advancing Physics) exam questions on Out into Space, with mark schemes. Covers circular motion, gravitational fields, orbits and gravitational potential.
Out into Space exam questions
These packs of real past exam questions cover the whole of Module 5: Rise and Fall of the Clockwork Universe, including Out into Space. Work through every question on this sub-topic, then mark your answers against the mark scheme.
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A Level Physics Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About OCR A Level Physics B (Advancing Physics) Out into Space
This sub-topic covers gravity and orbits.
What you need to know
- Circular motion v²/r and centripetal force.
- Gravitational fields Inverse square law and field strength.
- Potential Equipotentials and escape velocity.
- Orbits Satellites and Kepler's laws.
Common mistakes in Out into Space
- Measuring r from the surface.
- Forgetting potential is negative.
Try three Out into Space exam-style questions
1. Find the centripetal acceleration of v = 10 m s⁻¹, r = 5.0 m. (1 mark)
Show the mark scheme answer
20 m s⁻².
2. State how g varies with distance from a planet's centre. (1 mark)
Show the mark scheme answer
g is proportional to 1/r².
3. Define escape velocity. (1 mark)
Show the mark scheme answer
Minimum speed to escape a gravitational field with no further energy input.
Out into Space FAQs
What does this cover?
Circular motion, gravitation and orbits.
Why are satellites in free fall?
Gravity provides the centripetal force.
What is a geostationary satellite?
One with a 24 h period above the equator.
Revise this topic with flashcards: A Level Physics Flashcards, with mark scheme answers for Anki and Quizlet.
