# UCM 3

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Published on March 7, 2008

Author: zglazenburg

Source: slideshare.net

Uniform Circular Motion

Uniform Circular Motion - Describes motion in which an object moves at a constant speed along a circular path.

- Describes motion in which an object moves at a constant speed along a circular path.

But how does it work?

Uniform circular motion is caused by the effect a force directed towards the center of the object that is spinning, the centripetal force.

Uniform circular motion is caused by the effect a force directed towards the center of the object that is spinning, the centripetal force.

Acceleration

Like the centripetal force, the acceleration is also always pointed towards the center.

Like the centripetal force, the acceleration is also always pointed towards the center.

When an object changes direction, it accelerates, even if the velocity does not change.

When an object changes direction, it accelerates, even if the velocity does not change.

Therefore, we know that the object involved in uniform circular motion is always accelerating.

Therefore, we know that the object involved in uniform circular motion is always accelerating.

The velocity of the object, unlike the centripetal force and acceleration, is not constantly pointed towards the center.

The velocity of the object, unlike the centripetal force and acceleration, is not constantly pointed towards the center.

In fact, the velocity of the object is always directed towards a different point.

In fact, the velocity of the object is always directed towards a different point.

The velocity is always pointed tangent to the circle where the object is in its motion.

The velocity is always pointed tangent to the circle where the object is in its motion.

The Equation For Centripetal Force

F c=( m )( a c) Where: F c = Centripetal Force m= Mass Of Object a c = Centripetal Acceleration

Where:

F c = Centripetal Force

m= Mass Of Object

a c = Centripetal Acceleration

I hope this PowerPoint helped you in your understanding of Uniform Circular Motion!

I hope this PowerPoint helped you in your understanding of Uniform Circular Motion!

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