O-LevelPhysicsForces5054/12 · May/June 2024 · Q111 Mark

A satellite orbits a planet in a circular path as shown. It has constant speed. There is a force on the satellite due to the planet. In which direction is the force on the satellite when it is in the position shown? [Figure 11.1]

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AAn arrow pointing radially outwards from the planet.

BAn arrow pointing tangentially backwards, opposite to the direction of movement.

CAn arrow pointing radially inwards, towards the planet.

DAn arrow pointing tangentially forwards, in the direction of movement.

✓ Correct answer

D: An arrow pointing tangentially forwards, in the direction of movement.

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