Distance, displacement, speed, velocity, acceleration quiz. Travel graphs display relationships between distance. When the slope of the line is horizontal to the xaxis, the speed is zero the object is not moving. Distancetime graphs describing motion aqa gcse combined. If the velocity is negative, the object is moving toward the origin. I put together various different speed time graphs to allow students practice in interpreting them. The velocity of an object changes when its direction changes as well as when its speed changes. In this video, we look at how to construct a distance time graph. Teacher guide interpreting distancetime graphs t3 common issues. Apr 20, 2015 distance time graphs can also be used to represent journeys, and theyre particularly useful because its easy to compare one journey to another at a glance i. Motion is a change in position measured by distance and time. Student interprets the graph as a picture for example. Interpreting motion graphs apinquiry physics answer questions 1 and 2 in complete sentences 1.
Configure the idle time time the screen is idle before autoswipe begins and the page view time. Graphing speed interpreting graphs in physics, a graph is worth a thousand numbers. When velocity is positive and acceleration is negative, what happens to the objects motion. Student difficulties with distancetime graphs, in particu. Draw a velocitytime graph for this motion and hence determine the total distance travelled during the entire journey. I put together various different distance time graphs to allow students practice in interpreting them.
Unit 1 lesson 1 motion and speed ponca elementary school. Graphical representation of motion class 9, motion. Speed time graphs look much like distance time graphs. Determine acceleration from the gradient of a velocity time graph. Sketch the displacementtime, velocitytime, and accelerationtime graphs for. The distance travelled by a moving body in a given time can be calculated from speed time graph.
The student assumes that as the graph goes up and down, toms path is going up and down. Worksheets are distance vs time graph work, mathematics linear 1ma0 distance time graphs, motion graphs, work 2, level of challengeca6 a6 interpreting distancetime graphs, time, distance rate time word problems, 18 speed distance and time mep y8 practice book b. Plotting distance against time can tell you a lot about motion. Distancetime graph task cardsscience and math all in one. The velocity of an object tells you both its speed and its direction of motion. For this type of graph, time the independent variable is plotted on the xaxis and the position the dependent variable is plotted on the yaxis. Time graphs to the right is a typical graph displaying distance vs. A great deal of information can be obtained by looking and interpreting graphs describing motion displacement, speed, velocity, and acceleration. Which graph represents zero acceleration constant velocity. Know and use the relationship between acceleration, change in velocity and time taken. Gcse science physics 91 distancetime graphs youtube.
This can be shown as a curved line on a distance time graph. The slope of the line represents the acceleration of the object. Distancetime graphs are used to plot the distance an object travels over time. 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. Oct 04, 2011 on graphs that show distance and time, the slope of the lineis a measure of the speed of an object. The following diagram shows examples of distance time graphs. The distancetime graph shows class 8as journey to the zoo. To find the speed of an object from a distancetime graph, we need to calculate the gradient or slope of the line.
Scroll down the page for more examples and solutions. Speedtime and distancetime graphs mechanics newcastle. Distance time graphs describing the motion of an object is occasionally hard to do with words. Distance travelled area of triangle poq 1 oq op 2 in a speed time graph of a body a straight line sloping downwards indicates retardation. Calculating speed from a distance time graph gcse physics. Be sure to read the labels time is plotted on the xaxis. In calculations involving speed, distance and time. While formulae can be used to calculate motion, it can be useful to visualize an objects motion by looking at a graph positiontime graphs show how position changes over time velocitytime graphs examine a changing velocity over time accelerationtime graphs look at acceleration over time. The student assumes that a straight line on a graph means that the motion is along a straight. Interpretation of motion graphs page 2 of 2 fdhs physics speed time graphs and acceleration the speed time graph shows how the speed of a bus changes accelerates during part of a journey. Displaying all worksheets related to distance time graphs. Velocity time graphs are used to describe the motion of objects which are moving in a straight line. Graph a represents constant speed so the answer for this is the car is moving at constant speed. Finally, for higher tier students, we look at how to.
Feb 19, 2018 finally, for higher tier students, we look at how to use a distance time graph to calculate the speed of an accelerating object. Acceleration tells us the change in direction or rate of speed. Forces, motion and energy gr 6 science 2 distance time graphs describing the motion of an object is occasionally hard to do with words. Time is increasing to the right, whereas distance is increasing constantly with time. An activity for students to complete indoor miniobstacle course. Use simple equations of motion to describe their motion. Jones travels to work and immediately returns f mr. Interpreting distancetime graphs montgomery county schools. Know and use the relationship between average speed, distance moved and time taken. Distancetime graphs plotting distance against time can tell you a lot about motion.
This activity is an introduction to the important common g. Acceleration tells us the rate speed or direction changes. A straight horizontal line on a speed time graph means that speed is constant. We then explore how to use these to calculate the speed of a moving object.
On a distance time graph, there are no line sloping downwards. The easiest points to pick are points where the line crosses the grid of the graph paper. Distancetime graphs describing motion bbc bitesize. Calculate the speed of the object represented by the greenline in the graph, from 0 to 4 s. Categorization of firstyear university students interpretations of. Graphs of motion problems the physics hypertextbook. First choose two points that lie the line say point. The gradient of the graph ds dt at a point gives the speed of the object at that instant. This graph represents a journey that jan took, in travelling to dallas and back, from austin. The fastest speed shown on this graph, back to the starting place. Distance time graphs for accelerating objects higher if the speed of an object changes, it will be accelerating or decelerating. Jones leaves work and travels home at a steady speed mr. Interpreting distance time graphs gamma mathematics. Motion graphs describing the motion of an object is occasionally hard to do with words.
Motionxgps user manual invention in motion motionx. A graph used to show a change in an objects location over time. Slower speed, traveling back in the direction came from 4. Velocity tells the speed and direction of a moving object.
A distance time graph shows distance travelled measured by time example. This is a clear way of showing students how motion graphs are different to other linescatter graphs. Objects moving at a constant speed make a straight line on the graph. Time is always plotted on the xaxis bottom of the graph. The gradient of the line of the speedtime graph is the. On a distancetime graph, there are no line sloping downwards.
The distance of an object away from a reference point is plotted on the yaxis. Straight lines on a distance time graph tell us that the object is travelling at a constant speed. Look at using graphs of displacement, velocity and acceleration vs. Speed time graphs period speed time graphs look much like distance time graph. Discuss using a structured approach to solve projectile motion questions and graphs. Note that you can think of a stationary object not moving as travelling at a constant speed of 0 ms. Definition of distance, displacement, speed, velocity, acceleration and acceleration due to gravity.
Sometimes graphs help make motion easier to picture, and therefore understand. Speed or velocity is plotted on the yaxis a straight horizontal line on a speed time graph means the speed is constant. Constant speed, away from the original starting place. Great for middle school or introductory high school courses. Interpret distancetime graphs as if they are pictures of situations rather than abstract representations of them. Distancetime graphs rates of change, starts with a distance. What does the slope represent in a distance vs time graph. Speed time graphs are also called velocity time graphs. The distance time graphs below represent the motion of a car. Mathematics linear 1ma0 distance time graphs materials required for examination items included with question papers ruler graduated in centimetres and nil millimetres, protractor, compasses, pen, hb pencil, eraser. This represents the motion of a particle accelerating from a speed at time 0, u, to a speed v at time t.
Speed time graph when the initial speed of the body is not zero. Each sentence in the table describes one of the graphs write the letter of the correct graph next to each sentence. Pick two points xvalue, yvalue that are on the line. Students can time each other at each stage and use this to plot a distance time graph. They can be used to show acceleration and to work out displacement. Jones leaves home and travels to work at a steady speed mr. Review of the meaning of slope using distance time graphs. An equation can be used to calculate speed, distance, or time if two of the three. A moving object is always increasing its total length moved with time.
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