Motion graphs

Can someone explain motion graphs to me i.e the difference between distance-time and velocity-time graphs. Also what type of questions do you think would come up on them

Reply 1

Kevin De Bruyne

21

Original post by random88

Can someone explain motion graphs to me i.e the difference between distance-time and velocity-time graphs. Also what type of questions do you think would come up on them

One plots distance from a place at a given time and the other plots velocity.

http://www.bbc.co.uk/schools/gcsebitesize

Without meaning to sound patronising, they can look similar but the large difference is given in the name, so you would really benefit from going back to practice the many questions available to you. Then you will understand what they can ask in the exam. E.g. Interpretation, finding speed from a distance time graph, total distance travelled etc

Reply 2

random88

OP

13

Original post by Kevin De Bruyne

One plots distance from a place at a given time and the other plots velocity.

http://www.bbc.co.uk/schools/gcsebitesize

Without meaning to sound patronising, they can look similar but the large difference is given in the name, so you would really benefit from going back to practice the many questions available to you. Then you will understand what they can ask in the exam. E.g. Interpretation, finding speed from a distance time graph, total distance travelled etc

Thanks

Reply 3

sadie110

1

Certainly! I'd be happy to explain motion graphs to you, specifically the difference between distance-time and velocity-time graphs.

Distance-Time Graph:
A distance-time graph represents the relationship between the distance an object has traveled and the time it has taken. The vertical axis of the graph represents the distance (usually in meters), and the horizontal axis represents the time (usually in seconds). The slope of the line on a distance-time graph indicates the object's speed: a steeper slope represents a higher speed, while a flatter slope represents a lower speed. The distance-time graph provides information about the object's position at diferent points in time.

Velocity-Time Graph:
A velocity-time graph represents the relationship between the velocity (speed and direction) of an object and the time. The vertical axis represents velocity (usually in meters per second), and the horizontal axis represents time (usually in seconds). The slope of the line on a velocity-time graph represents the object's acceleration: a positive slope indicates positive acceleration, a negative slope indicates negative acceleration (deceleration), and a horizontal line represents constant velocity (zero acceleration). The velocity-time graph provides information about how the object's velocity changes over time.

Now, let's discuss the types of questions that might come up regarding these motion graphs:

Interpretation: You may be asked to interpret a given distance-time or velocity-time graph. For example, you could be asked to determine the object's speed, acceleration, or displacement from the graph.

Calculation: Questions may involve calculating values based on the given graphs. You might need to determine the average speed, total distance traveled, or time taken for specific segments of the graph.

Relationship: You could be asked to compare and analyze multiple graphs. For instance, you might need to determine which object has a higher speed, greater acceleration, or longer distance traveled based on the given graphs.

Motion scenarios: Questions may present real-life scenarios and ask you to sketch or interpret the corresponding motion graphs. You might need to identify the correct graph for a particular scenario or describe the motion based on the graph provided.

Remember, to effectively answer these types of questions, it's crucial to understand the concepts of speed, velocity, acceleration, and the graphical representation of motion. Practice analyzing and interpreting motion graphs, and familiarize yourself with the relationships between different quantities represented on these graphs.

(edited 1 year ago)

Motion graphs

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