A question about constant velocity/constant acceleration graphs?

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SUMMARY

The discussion clarifies the characteristics of distance-time (D-T), velocity-time (V-T), and acceleration-time (A-T) graphs in physics. For a constant velocity, the D-T graph is a straight diagonal line, while the V-T graph is a horizontal line at the velocity value (e.g., 3 m/s). In contrast, the A-T graph shows no line, indicating zero acceleration. For constant acceleration, the D-T graph is curved, the V-T graph is a straight diagonal line, and the A-T graph is a horizontal line at the acceleration value.

PREREQUISITES
  • Understanding of basic physics concepts, particularly motion.
  • Familiarity with graphing techniques in physics.
  • Knowledge of constant velocity and constant acceleration definitions.
  • Ability to interpret graphical data in the context of motion.
NEXT STEPS
  • Study the characteristics of distance-time graphs in detail.
  • Learn about velocity-time graph interpretations and their implications.
  • Explore acceleration-time graphs and their significance in motion analysis.
  • Review resources on motion analysis, such as the BBC Bitesize Physics guide.
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the graphical representation of motion concepts, particularly in relation to constant velocity and acceleration.

SoConfused__
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Hey! For a lab, I have to make a few graphs, I just need some clarification.

Please correct me if I'm wrong.

For a D-T graph, where velocity is constant, the line will be straight. (Diagonal.)
For a V-T graph, where velocity is constant, the line will be straight. (Horizontal)
^ Confused about this though, at point 0 what will the y value be? :eek: (For example, if the velocity is 3m/s)
For a A-T graph, where velocity is constant, there will be NO line. (No acceleration)


For a D-T graph, where acceleration is constant, the line will be curved.
For a V-T graph, where acceleration is constant, the line will be straight. (Diagonal)
For a A-T graph, where acceleration is constant, the line will be straight. (Horizontal)??
^ For this one I am also confused.

I just need to know if I'm on the right track! :blushing:
Ones in bold are the one I'm not sure are correct.

Thank you very much for reading! I appreciate any help that is offered. =)
 
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SoConfused__ said:
Hey! For a lab, I have to make a few graphs, I just need some clarification.

Please correct me if I'm wrong.

For a D-T graph, where velocity is constant, the line will be straight. (Diagonal.)
For a V-T graph, where velocity is constant, the line will be straight. (Horizontal)
^ Confused about this though, at point 0 what will the y value be? :eek: (For example, if the velocity is 3m/s)

The horizontal line will be above the horizontal axis at a distance equal to 3m/s on the scale.
For a A-T graph, where velocity is constant, there will be NO line. (No acceleration)
The line will be horizontal and along the axis where a=0.
For a D-T graph, where acceleration is constant, the line will be curved.
For a V-T graph, where acceleration is constant, the line will be straight. (Diagonal)
For a A-T graph, where acceleration is constant, the line will be straight. (Horizontal)??
^ For this one I am also confused.
The horizontal line will be above the x-axis for positive acceleration and below it for negative acceleration.
You are on the right track.

This might help
http://www.bbc.co.uk/scotland/learning/bitesize/higher/physics/mech_matt/analyse_motion_rev1.shtml
 
thank you for all your help :)
 

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