Explain circular and orbital motion, Physics

Explain Circular and Orbital Motion

Let's start by looking at circular motion with constant speed. Can there be acceleration in this problem? Yes, velocity includes speed and direction and acceleration can mean speeding up, slowing down, or moving at constant speed but changing directions. During circular motion, the object in circular motion is constantly changing the direction of its motion.

1831_Circular and Orbital Motion.png

Consider a yo-yo that you are swinging in a circle parallel to the ground, above your head. What keeps the yo-yo changing direction? The string does. If the string breaks, the yo-yo will no longer move in a circle. The tension in the string supplies the force to accelerate the yo-yo into circular motion.

If the length of the string is r (in meters), the speed is v (in m/s), the time to complete one revolution, one time around your head, is called the period, T(in seconds).

v = 2pr / T in the tangential direction

and ac = V2 / r inward in radial direction

this is called the centripetal acceleration (in m/s2) and is supplied by a centripetal force (in newtons) of

Fc = mv2/r inward in radial direction

supplied by the string where m is the mass (in kg) of the yo-yo.

Posted Date: 4/29/2013 6:25:01 AM | Location : United States

Related Discussions:- Explain circular and orbital motion, Assignment Help, Ask Question on Explain circular and orbital motion, Get Answer, Expert's Help, Explain circular and orbital motion Discussions

Write discussion on Explain circular and orbital motion
Your posts are moderated
Related Questions
Hiker stands at the bottom of steep hill.  The hiker may follow a straight line path to the top of the hill, a distance of 300 feet, or she may follow a zig-zag path to the top of

Dimension of unit impulse DIMENSION ? The dimension of impulse is [MLT -1 ]

steradian; sr: The supplementary SI unit of solid angle described as the solid central angle of a sphere which encloses a surface onto the sphere equivalent to the square of t

help by post offoce box explan rasistance of a wire

Astigmatism: In this defect the surface of eye is not perfectly spherical. The eye has different focal point in dissimilar planes and image of an object is not focused clearly

Imagine an elctromagnetic wave propagating vacuum with electric field Ex=10 2 sinπ(3x10 6 z - 9x10 14 t) V/m, E y =0, E z = 0. Calculate the speed, frequency, wavelength, initial

An approximate equation for the velocity distribution in a rectangular channel with turbulent flow is where umax is the velocity at the surface, y is the distance from the

A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7

(1) Standing pulse can be longitudinal / transverse. (2) The disturbance confined to a particular part among the starting point and reflecting point of the ray. (3) There is