Exploring Circular Motion and Its Different Forms

AI Thread Summary
Circular motion refers to the movement of an object along a circular path, while rotational motion involves an object spinning around an internal axis. Angular motion describes the change in angle of an object as it rotates, and tangential motion pertains to the linear velocity of an object moving along the edge of a circular path. Each type of motion has distinct characteristics and applications in physics. Understanding these differences is crucial for effectively teaching the concepts in a presentation.
kailey
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What is the difference between circular motion, rotational motion, angular motion and tangential motion?


I have to make a presentation on these subjects and teach my class about them.



Please help me to understand what these are, else I will have to rely on the very unreliable google for information. Thank you!
 
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Thank you! but wikipedia is really discouraged.
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
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