Share Circular motion year 12 physics
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What is formula for circumference of a circle?
2πr
What direction is the force in circular motion
Towards the centre
What units is force measured in?
Newtons
What does centripetal mean?
Towards the centre
What is the direction of centripetal acceleration
towards the centre
How do you calculate the velocity of an object moving in a circle
V=2πr/T
What is a revolution
one complete circle
What is Period (T)?
The time for 1 rotation
What is frequency?
The number of revolutions per seconds
What is frequency measured in?
Hz or s^-1
What is the force that keeps the Earth rotating the sun?
Gravity
What is the force that keeps a bike moving in a circle?
Friction
What direction will an object moving in a circle if the force towards the centre is broken?
In a tangent from the point
What is a Tangent
Travelling in a straight line from a point
What is the distance between the centre of the circle to the edge called?
Radius
How do you convert period to frequence?
f=1/T
