Understanding Circular Motion: Inferences from Constant Speed and Direction

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SUMMARY

In the discussion on circular motion, it is established that a car moving at a constant speed along a circular path experiences acceleration due to the continuous change in direction, despite maintaining a constant speed. The correct inference is that acceleration is not zero, as it is defined by the change in velocity direction. Therefore, the answer to the question posed is "none of these," confirming that both velocity and acceleration are not zero in this scenario.

PREREQUISITES
  • Understanding of basic physics concepts such as velocity and acceleration
  • Familiarity with circular motion principles
  • Knowledge of the difference between speed and velocity
  • Concept of inertia in physics
NEXT STEPS
  • Research the concept of centripetal acceleration in circular motion
  • Study the relationship between speed, velocity, and acceleration
  • Explore the implications of Newton's laws of motion on circular motion
  • Learn about real-world applications of circular motion, such as in vehicles and amusement park rides
USEFUL FOR

Students studying physics, educators teaching circular motion concepts, and anyone interested in understanding the dynamics of motion in circular paths.

Jacobpm64
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If a car is moving at a constant speed in a circular path, what can be inferred?
a. acceleration is 0
b. velocity is 0
c. inertia is 0
d. none of these
ok, I'm not sure on this one... i know it's not B because the car is moving, so it has a velocity that isn't 0. I don't think it is C either. So now it balls down to A and D. A is confusing because i know that acceleration takes speed and direction into account. The speed is the same so there is no acceleration, but the direction is constantly changing, so there is an acceleration. Would "acceleration is 0" be incorrect because the direction is changing constantly?
 
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Sounds like you understand the problem, yes the car has an acceleration.
 
so the answer would be "none of these"?
 

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