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Circular motion

Why is an object moving in a circle at constant speed still accelerating?

A
  • A resultant force acts in the direction of motion.
  • Therefore, the speed of the object is increasing.
B
  • The speed of motion is constantly changing.
  • Therefore, the kinetic energy of the object is changing.
C
  • The distance travelled is constantly increasing.
  • Therefore, the displacement from the starting point is constantly increasing.
D
  • The direction of motion is constantly changing.
  • Therefore, the velocity (a vector) is changing.

Circular motion Flashcards

  1. AS Level
  2. /Physics
  3. /Circular motion

Flashcards for Edexcel AS Level Physics Circular motion, covering the key terms and definitions you need to recall. 1 card, matched to the Edexcel AS Level Physics (8PH0) specification.

Flashcards