Is acceleration possible without motion ?

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SUMMARY

The discussion centers on the concept of acceleration in physics, specifically addressing the question of whether acceleration can occur without initial motion. It is established that an object can have a constant acceleration even when its initial velocity is zero, as illustrated by examples such as a ball thrown upward and the scenario of Superman pushing against a stationary train. The key takeaway is that while an object may not be moving at the start, the presence of acceleration will eventually lead to motion.

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  • Understanding of basic physics concepts, particularly acceleration and velocity.
  • Familiarity with kinematic equations relating to motion.
  • Knowledge of gravitational acceleration and its effects on objects.
  • Concept of initial conditions in motion problems.
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  • Study kinematic equations to analyze motion with constant acceleration.
  • Explore the concept of instantaneous velocity and acceleration in physics.
  • Investigate real-world applications of acceleration in various physical systems.
  • Learn about the effects of forces on motion, including Newton's laws of motion.
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Students of physics, educators teaching motion concepts, and anyone interested in understanding the principles of acceleration and motion dynamics.

string1037
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Is acceleration possible without motion ?
I ve faced this in some problems like following-
two particles A and B are at a point initially. A is moving with constant velocity 'v' while B is not moving. But B possesses a constant acceleration 'a'. After how much time they ll be at a distance 's' ?

In this problem I didn't understand how B possesses a constant acceleration if its not moving !
 
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It just means that B is not moving initially - it's initial velocity is zero. Since it has an acceleration, it will start moving, and for all times greater than t=0, it will have a non-zero velocity.
 


To help you picture this, imagine throwing a ball upward. The ball has a constant acceleration downward due to gravity. At its maximum height it has a velocity of zero but the acceleration is still the same value. Or imagine Superman pushing against a train that is initially moving...eventually the train will stop and then start moving in the opposite direction if he keeps pushing.
 


oh. . .gotcha. . . .thnx a lot guyz. . .
 

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