A-LevelPhysicsDynamics9702/12 · Feb/Mar 2018 · Q131 Mark

In which example is it not possible for the underlined body to be in equilibrium?

AAn aeroplane climbs at a steady rate.

BAn aeroplane tows a glider at a constant altitude.

Cspeedboat changes direction at a constant speed.

DTwo boats tow a ship into harbour.

✓ Correct answer

C: speedboat changes direction at a constant speed.

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