Circular Motion

Circular Motion

Complete your warm-up question

Multiple Choice

In circular motion even when moving at a constant speed do we have an acceleration?

• Yes

• No

Circular motion

• In circular motion you must have a force directed inwards always.

• This is called centripetal force, centripetal acceleration is the acceleration inward that is experienced

You may have heard of centrifugal force which is a force pushing you out.(think of taking a turn in a car it feels like you are being pushed outside of the turn) Discuss if this is a true active force and why

Centripetal acceleration

• Speed and radius determine this acceleration

• V²/r

Centripetal Force

• m x centripetal acceleration

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