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8.1 Solar system; stability of orbital motions; satellites

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Question 6
F

A main sequence star stays roughly the same size for billions of years. This is because

[1]
A

the inward force of gravity is much larger than the outward effect of fusion.

B

the inward force of gravity is balanced by the outward effect of fusion.

C

the outward effect of fusion is much larger than the inward force of gravity.

D

there is no inward force of gravity acting on the outer layers of the star.

Markscheme

8.1 Solar system; stability of orbital motions; satellites Questions

  1. GCSE
  2. /Physics
  3. /8.1 Solar system; stability of orbital motions; satellites

41 exam-style questions on AQA GCSE Physics 8.1 Solar system; stability of orbital motions; satellites, covering 8.1.1 Our solar system, 8.1.2 The life cycle of a star, and 8.1.3 Orbital motion, natural and artificial satellites. Each one has a worked solution and a mark scheme showing where the marks go.

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