O-LevelPhysicsKinematics5054/11 · May/June 2017 · Q81 Mark

A satellite is in a circular orbit around a planet. Which statement is correct?

AIts acceleration is constant in direction but not in size.

BIts acceleration is constant in size but not in direction.

CIts gravitational potential energy varies.

DIts velocity is constant.

✓ Correct answer

B: Its acceleration is constant in size but not in direction.

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Topic: Kinematics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2017 Paper 1 Variant 1, question 8.

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