In physics, circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. It can be uniform, with constant angular rate of rotation and constant speed, or non-uniform with a changing rate of rotation. The rotation around a fixed axis of a three-dimensional body involves circular motion of its parts. The equations of motion describe the movement of the center of mass of a body. In circular motion, the distance between the body and a fixed point on the surface remains the same.
Examples of circular motion include: an artificial satellite orbiting the Earth at a constant height, a ceiling fan's blades rotating around a hub, a stone which is tied to a rope and is being swung in circles, a car turning through a curve in a race track, an electron moving perpendicular to a uniform magnetic field, and a gear turning inside a mechanism.
Since the object's velocity vector is constantly changing direction, the moving object is undergoing acceleration by a centripetal force in the direction of the center of rotation. Without this acceleration, the object would move in a straight line, according to Newton's laws of motion.
relationship of angular velocy and translational velocity in simple circular motion??
Like if something is going in a circle of radiues R at speed v with angular velocity w, then w=v/R. Where does this relation come from? I'm having trouble deriving it. Please help!
EDIT:
I think i got it...
The Problem Statement
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Homework Equations
Ffr≤ coefficient of frictionFn
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Homework Statement
http://img251.imageshack.us/img251/1764/66016056.jpg
Solutions
[PLAIN][PLAIN]http://img213.imageshack.us/img213/6821/99132292.jpg
The Attempt at a Solution
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Homework Statement
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Homework Statement
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Homework Equations
ac = (4π2r) / T2
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Just not sure what to do in...
Homework Statement
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Homework Equations
ac = v2/r
The Attempt at a Solution...
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Homework Statement
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Homework Statement
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Answer in units of km.
Homework Equations
F=ma
w=(2pi)/T
a= w^2...
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1. Homework Statement
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Homework Statement
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Homework Statement
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Homework Statement
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Homework Statement
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Homework Equations
The Attempt at a Solution
maybe its the fact...
Homework Statement
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Homework Equations
F=ma
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The Attempt at a Solution
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[PLAIN]http://img207.imageshack.us/img207/37/capturebg.jpg
a=v^2/r
v=2pir/T
f=ma
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Homework Statement
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Homework Equations
The Attempt at a Solution
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Homework Statement
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Homework Equations
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The Attempt at...
Homework Statement
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Homework Statement
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Homework Equations
v=2piR/T...
Working with circular motion ...
Homework Statement
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Homework Equations
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The Attempt at a Solution
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Homework Statement
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Homework Equations
I believe this is a uniform circular motion problem, so...
Homework Statement
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this is the question.
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Homework Equations
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Homework Statement
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Homework Equations
The Attempt at a Solution
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Homework Statement
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Homework Equations
N / A
The Attempt at a Solution
Googled for help
Homework Statement
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Homework Equations
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