A LevelPhysicsEdexcelExam Questions12. Gravitational FieldsGravitational Fields

Gravitational Fields (Edexcel A Level Physics): Exam Questions

Exam code: 9PH0

58 mins6 questions

1 mark

The gravitational field strength at Earth's surface is $g$ and the radius of the Earth is $R$ . A satellite orbits at height $h$ above Earth's surface.

Which of the following expressions gives the gravitational field strength at the satellite?

$g {(\frac{R}{R + h})}^{2}$
$g {(\frac{R}{h})}^{2}$
$g (\frac{R}{R + h})$
$\frac{g}{R + h}$

Choose your answer

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