Circular Motion

Motion in a Circle

Objects that move in a circular path may have a constant speed, but because they are changing direction they must have a constantly changing velocity and are therefore accelerating.


The size of the centripetal force depends on the objects mass, speed and how far away it is from the centre of rotation.

You may also be interested in...

Click below to return to your exam board



Physics Online Shop

Enamel pin badges now available.


Only £5 including UK postage!

GCSE Physics Online Recommended for Home Learning

The following organisations have recently recommended these resources to support students who are learning from home during the Covid-19 crisis.


Follow me!

  • YouTube
  • Instagram
  • Twitter