Displacementtime and velocitytime graphs mcwebmech1102009 in lea. Indicate whether the statements are correct or incorrect. Justify your answers by referring to specific features about the graph. Several students analyze the graph and make the following statements. Distancetime and velocitytime graphs worksheet teaching. The gradient of a velocity time graph is acceleration 10 5510 v ms t s.
Interpreting direction of motion from positiontime graph. Speed time graphs look very similar but the lines tell a different story. Interpreting velocitytime graphs the motion of a twostage rocket is portrayed by the following velocitytime graph. Speed is a measure of how fast an object moves, regardless of direction. Motion graphs practice worksheet passionately curious. This resource involves a card sort linking graphs, units and statements relating to distance, velocity, acceleration and time. A velocitytime graph or speedtime graph is a way of visually expressing a journey. The key to using position time graphs is knowing that the slope of a position time graph reveals information about the objects velocity. Teacher toolkit velocitytime graphs the physics classroom. The distance time graphs below represent the motion of a car. This practices slope calculations and graphing velocity to show that it changes as the slope changes. The ap physics courses should provide an opportunity to bridge the gap between physics and math for these students. This is a complete lesson on velocity time graphs that looks at both drawing and interpreting data from velocity time graphs. Calculating acceleration from a velocitytime graph the average acceleration can be calculated for any part of a journey by taking the change in velocity and.
Interpreting direction of motion from velocity time graph. Interpreting velocity time graphs the motion of a twostage rocket is portrayed by the following velocity time graph. Sometimes graphs help make motion easier to picture, and therefore understand. Interpreting graphs discovering advanced algebra condensed lessons chapter 4 41 2010 key curriculum press continued in this lesson you will interpret graphs that show information about realworld situations make a graph that reflects the information in a story invent a story that conveys the information in a graph. Displacementtime and velocitytime graphs mathcentre. Time graph notescovers how to give meaning to a position vs. To give students a conceptual understanding of graphs, we suggest that they walk through some graphs. Time graphs to the right is a typical graph displaying distance vs. With speed on the y axis and time on the x axis, a speedtime graph tells us how someonesomethings speed has changed over a period of time. Be sure to read the labels time is plotted on the xaxis.
A great deal of information can be obtained by looking and interpreting graphs describing motion displacement, speed, velocity, and acceleration. Velocity time graphs are used to describe the motion of objects which are moving in a straight line. An explanation of what can be found by taking the gradient of and area under displacementtime and velocitytime graphs. It was thrown into the air with a velocity of 7 m s. Graphs of motion practice the physics hypertextbook. Problem areas in graphical analysis there are various broad categories under the general area of graphical analysis. Turn off show graph and show animation for runner 2. Motion is a change in position measured by distance and time. People get so used to finding velocity by determining the slopeas would be done with a position graphthey forget that for velocity graphs the value of the. Acceleration tells us the rate speed or direction changes.
Brief description of the lesson students associate real world motion scenarios with their corresponding distance time graphs by relating the slopes of line segments with speed and direction of motion. The graph below shows velocity as a function of time for some unknown object. A straight horizontal line on a speedtime graph means that speed is constant. The key to using velocity time graphs is knowing that the slope of a velocity time graph represents the objects acceleration and the area represents the displacement.
Interpreting direction of motion from position time graph. Velocitytime graphs are used to describe the motion of objects which are moving in a straight line. Lesson on interpretting velocity time graphs to find acceleration and distance travelled. Velocity tells the speed and direction of a moving object. If constant acceleration is assumed, the velocities will just be joined by straight line slopes. Draw a distance vs time graph of a dog that is tied to a 4 foot rope and travels in 1 complete circle. Distance vs time graph worksheet online resources on distance vs time graphs 1. Motion problems differential calc rates of change in other applied contexts nonmotion problems current time. The velocitytime graph below shows a car which accelerates uniformly from rest to 60 ms1 in.
This video gives a bit of information about interpreting the motion based on the velocity vs time graph. There are teachers notes and a suggested lesson plan. Displacementtime and velocitytime graphs mcwebmech1102009. The origin is at the sensor and the direction away from the face of the sensor is set as the positive direction. Velocity time graph worksheets teachers pay teachers. Speedtime graphs speedtime graphs are also called velocitytime graphs. Describing motion with graphs involves representing how a quantity such as the objects velocity changes with respect to the time. The activity takes students through a stepbystep approach to understanding the basic principles of distance time and velocity time graphs. For the position graph, students solve for the speed of an object during different line segments on a graph. The principle is that the slope of the line on a velocitytime graph reveals useful information about the acceleration of the object. We are going to be using velocitytime graphs to find two things, primarily.
Interpreting change in speed from velocity time graph. Part ii create a distance vs time graph 1 a helicopter left the landing pad at the top of a skyscraper and then quickly flew downwards towards the ground and maintained a 5. Interpreting change in speed from velocitytime graph. Interpreting positiontime graphs today you will learn how to relate positiontime graphs to the motion they represent. Diagrams are not accurately drawn, unless otherwise indicated. Feb 24, 2019 given displacement vs time graphs showing accelerating motion, graph the motion in a velocity vs time graph. Read from lesson 4 of the 1d kinematics chapter at the physics. Sep 09, 20 selection file type icon file name description size revision time user. Interpreting distancetime graphs as if they are pictures of situations rather than abstract representations of them. Interpret distancetime graphs as if they are pictures of situations rather than abstract representations of them. They found it difficult and a little confusing so model it first, but. Interpreting direction of motion from velocitytime graph.
The pack contains a full lesson plan, along with accompanying resources, including a student worksheet and suggested support and extension activities. Interpreting change in speed from velocitytime graph video. Given the velocitytime graph of a linear motion, we can interpret whether the moving object moves forward or backward or right or left, depending on how we define the motion. Part ii create a distance vs time graph 1 a helicopter left the landing pad at the top of a skyscraper and then quickly flew downwards towards the ground and maintained a 5 foot distance above the ground for a while before it. One or more objects may be graphed at one time, so you can compare the relative positions, speeds and displacement as they relate to each other. They can be used to show acceleration and to work out displacement. Calculating acceleration from a velocity time graph the average acceleration can be calculated for any part of a journey by taking the change in velocity and dividing by the change in time for that part of the journey. We suggest that students interpret the graphs by actually walking through them.
To relate the slope value of the line on a velocitytime graph at a given time or during a given period of time to. If the acceleration is zero, then the slope is zero i. Pdf distancetime and velocitytime graphs velocitytime graphs. By detecting the slope, one can infer about an objects velocity. On the following pages we have provided various graphs that relate time, distance, velocity and acceleration. Figure 2 shows the velocity time graph for the motion of the tennis ball described in example 1. Speedtime graphs look much like distancetime graphs. This lesson unit is intended to help you assess how well students are able to interpret distancetime graphs, and in particular, to help you identify students who have the following difficulties. Interpreting direction of motion from velocity time. The changing velocity of the sprinteror of any other moving person or objectcan be represented by a velocitytime graph like the one in the. This notes sheet comes with an a version that has blanks for students to fill out as well as a completed. When analyzing a graph be sure you look at the label on the yaxis to determine which type of graph you are interpreting. The purpose of this file is to help students interpret the slope of the line on a position vs.
Interpreting and making speed time graphs we have just learned about distance time graphs. However, graphs can often be used to describe mathematical models. Motion graphs describing the motion of an object is occasionally hard to do with words. Aug 04, 2014 this video gives a bit of information about interpreting the motion based on the velocity vs time graph. Velocitytime graphs questions, worksheets and revision. Interpreting distancetime graphs mathematical goals this lesson unit is intended to help you assess how well students are able to interpret distancetime graphs and, in particular, to help you identify students who. Interpreting graphs in physics, a graph is worth a thousand numbers. It also includes a pdf worksheet that engages students in analyzing mistakes. A speed time graph can also be labeled a velocity time graph.1375 1233 44 845 1470 864 1142 1524 748 1496 642 1178 451 149 589 29 1312 300 24 437 1107 1532 463 952 538 429 611 870 929 351 1111 1355 1148 1119 808 933 1100 1138 1461 416