Physics Practicals Class 9
Observation of Graphs (distance-time/ velocity-time)
- Teach science experiments in a gamified way
- Boost conceptual clarity and knowledge retention
- Aligned with National Education Policy 2020
- Helpful in getting NAAC accreditation
- CBSE, ICSE, and state boards aligned curricula
- Engaging simulations with easy-to-teach instructions
About Simulation
- Within this simulated setting, you'll explore graph observations, specifically focusing on distance-time and velocity-time graphs. This entails plotting graphs of velocity, speed, distance, and displacement.
- Additionally, you'll apply your comprehension of graph observations to compute the area under the distance-time and velocity-time graphs, as well as determine the slope of these graphs.
- The interactive procedures for studying linear motion faithfully replicate those found in a traditional physics lab, ensuring an immersive learning experience.
- Through this interactive involvement, you'll confront real-life situations, presenting practical scenarios for experimentation within the virtual realm.
Simulation Details
Description
A moving object changes its position with time. If the object travels a distance s in time t, then its speed is
v = s/t
When an object travels equal distances in equal intervals of time, it is said to have a uniform speed. But if the speed or its direction of motion changes with time, then the object is said to be in non-uniform motion.
This distance-time graph can be used to determine the speed of the object.
Distance-time graph of an object moving with uniform speed
Velocity – time graph
A velocity-time graph is the graphical representation of the change in velocity of an object with time. Conventionally, the x-axis represents time, and the y-axis represents the velocity of the object.
The slope of the v – t graph
The slope of a line is a measure of its steepness. The slope is defined as the ratio of the vertical change (change in the y-axis) between two points to the horizontal change (change in the x-axis) between the same two points. If we consider two points, (x1, y1) and (x2, y2) on the given line, then the slope,
For the velocity-time graph, the slope of the graph is the ratio of the change in velocity of the object to the corresponding time interval. This gives the acceleration of the object. Assuming two points (t1, v1) and (t2, v2), the slope or acceleration of object,
The area under the v – t graph
Requirements for this Science Experiment
- Graph paper
- Pencil
- Scale
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