Calculating Angular Displacement of Ball Bearing

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SUMMARY

The discussion centers on calculating the angular displacement of a ball bearing with a radius of 0.00765 meters that rolls over a distance of 0.05 meters. The key formulas mentioned include the relationship between linear distance and angular displacement, specifically d = θr and v = ωr, where θ is the angular displacement in radians. The user seeks clarification on how to compute rotational kinetic energy in the context of energy conservation between translational and rotational forms as the ball bearing rolls down an inclined slope.

PREREQUISITES
  • Understanding of angular displacement and its relationship to linear distance
  • Familiarity with the formulas d = θr and v = ωr
  • Basic knowledge of kinetic energy concepts, including translational and rotational kinetic energy
  • Concept of energy conservation in mechanical systems
NEXT STEPS
  • Study the derivation and application of the formula for angular displacement in rolling motion
  • Learn how to calculate rotational kinetic energy using the formula KE_rotational = 0.5 * I * ω²
  • Explore the principles of energy conservation in rolling objects
  • Investigate the effects of incline angles on the motion of rolling objects
USEFUL FOR

Students in physics, mechanical engineers, and anyone interested in the dynamics of rolling motion and energy conservation principles.

alex_boothby
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hi,

how do i work out the angular displacement of ball bearing 0.00765 m in radius over 0.05 meters?

i need it to work out angular speed.


thank you
 
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Perhaps you need:

[tex]d = \theta r[/tex]

[tex]v = \omega r[/tex]

Where the angle is measured in radians.
 
im doing this piece of work about a ball bearing rolling down an invlined slope and translational kinetic energy + rotational kinetic energy should = potential enegry.

but I am not sure how to work out rotational kinetic energy. I am not sure of the equations you just gave me, sorry, a little more help maybe?

can i not just say that the angular displacement is 0.05 meters? as that is how much we moved the ball bearing back each time?

thank you, but could i please have a little more help?
 

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