Is Centripetal Acceleration Constant in Uniform Circular Motion?

In summary, the conversation discussed the concept of uniform circular motion and the confusion surrounding it. The main question was whether there is a constant acceleration in uniform circular motion and how to calculate its magnitude and direction. It was also clarified that velocity is a vector while speed is a scalar, and the role of acceleration in changing the direction of velocity was discussed. Finally, it was concluded that there is no acceleration causing uniform speed in circular motion as speed is constant and does not require any acceleration to maintain it.
  • #36
my question is
a body is in a uniform circular motion on Earth
it means that we balanced all the unbalanced forces acting on it to create a uniform velocity
so how much is the force we applied to balance the forces?
 
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  • #38
On the surface , or in the air ? You mean , uniform speed ?
Also , it's to a string and the only other force is the force of gravity ?
 
  • #39
Qwertywerty said:
On the surface , or in the air ? You mean , uniform speed ?
Also , it's to a string and the only other force is the force of gravity ?

its in the air
and you i meant uniform speed
i never said there's only these two forces

leave it i understood all of it
now i just need this part of the question be answered
https://www.physicsforums.com/threads/the-beggining-of-everything.826753/
 

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