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# Rotational Motion

### Physics

What is the force that keeps an object moving in a uniform circular motion? Centripetal Force
What direction does centripetal force point? Inwards
What is the magnitude of centripetal force of a satellite orbiting a planet equal to? Force due to gravity from that planet.
What are two variables on which torque depends? Point of application and direction of force.
The torque equation may also include a trig function which is? Tan
What are three types of thermal energy transfer? Conduction, convection, and radiation.
What is conduction? Energy transfer by two objects in contact.
What is convection? The displacement of cold matter by hot matter.
What is radiation? Energy transfer by means of sunlight of electromagnetic waves.
When an object moves in a uniform rotational motion, where does the acceleration point? Inwards/center
Positive rotation occurs when motion is... Counterclockwise
Negative rotation occurs when motion is... Clockwise
Define specific heat. Quantitiy of energy needed to raise 1 kg of a substance by 1 Celsius.
As heat is added to boiling water what happens to the temperature of the water? It stays the same.
What happens to the KE of the water molecules as they heat? Increases
What is the circumference of a circle? The distance covered in one revolution.
If a ball travels the circumference it would travel a total distance of? One revolution or 360 degrees.
Created by: VivianaRomero

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