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Subjects / LC Applied Mathematics / Modelling the physical world: kinematics and dynamics (spec Strand 3)

Circular motion

Use angular velocity and the central acceleration v²/r = rω² to model motion in a circle.

5th Year6th Year Higher
Helps to know first: Forces and Newton's laws
15practice questions

Match the pairs: 1 · Multiple choice: 3 · Numeric answer: 11

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Numeric answer
A particle moves in a circle of radius 6 m with constant speed 17 m/s. Find the magnitude of its acceleration, correct to 2 decimal places.
va, Fr
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Acceleration in uniform circular motion is directed towards the centre.

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