Physics of a yo yo. 0 withone end of the string fixed to a support above the spool as shown in the left figure below.
Rotational Dynamics The Simple Yo Yo Problem Youtube
Calculations involving objects that are in free fall but attached to a string.
Physics yoyo problem. What is its velocity after this fall. Finding the critical angle for this problem was on the caltech physics placement test when i went there 20. A 1 0 meter long string is wrapped around.
About it axis has a massless infinitely thin string wrapped around the radiusr. Physics ninja looks at the dynamics of the simple yo yo using newton s laws of motion and conservation of energy. A cylindrical yoyo of mass m and radius r falls a height h from rest.
Students will learn to solve yo yo type problems. That is problems where an object is rotating in free fall yet attached to a string or some other similar restraint. The inner radius where the string winds up is 0 74 cm and the outer radius of the yo yo is 4 1 cm.
The mass of the yo yo is 0 056 kg its moment of. I drew a diagram and at rest determined that t mg ma where t is tension and acceleration is centripetal acceleration v 2 r so v sqrt of t gr. Yo yo man releases a yo yo from rest and allows it to drop as he keeps the top end of the string stationary.
I am going to pull this yo yo at different angles and on two different surfaces. A yo yo is released as shown. Solution for problem 1.
A 1 kg yoyo consists of two disks with a radius of 03 meters connected at their centers with a small cylinder of diameter 005 meters. 0 and moment of inertiai kmr2 0. In the classic yo yo problem a spool of massm radiusr.
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