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What is the standard algebraic formula for the magnitude of the centripetal force required to keep an object of mass $m$ moving at velocity $v$ in a circle of radius $r$?
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Subject
Physics
Topic
Mechanics
Subtopic
Circular Motion
Reviewed by Shahid HussainEditorial Policy
easy
$F_c = mvr$
$F_c = rac{mv^2}{r}$
$F_c = rac{1}{2}mv^2$
$F_c = rac{mv}{r}$
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Explanation
Centripetal acceleration is $a_c = v^2/r$. Multiplying by mass (Newton's second law) yields $F_c = mv^2/r$.…
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Concept Behind This Question
This question focuses on the concept of Circular Motion under the broader topic of Mechanics.
Related key concepts: Physics, Mechanics.
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Question Details
- Subject:
- Physics
- Topic:
- Mechanics
- Subtopic:
- Circular Motion
- Difficulty:
- easy
- Source:
- Past Papers
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