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VISUALIZING MOTION USING TAPE CHARTS AND MOTION GRAPHS
- 2. MOTION CAN BE DESCRIBED IN TERMS OF: •DISTANCE •DISPLACEMENT •SPEED •VELOCITY •ACCELERATION
- 3. Visualizing Motion Using Tape Charts and Motion Graphs
- 4. Learning Competency •Create and interpret visual representation of the motion of objects such as tape charts and motion graphs (S7FE-IIIb-3
- 5. Activity. Doing detective work •Supposed that you were having your on-the-job training in a private investigating company. You were asked to join a team assigned to investigate a ‘hit and run’ case. The alleged suspect was captured by the CCTV camera driving down a road leading to the place of incident. The suspect denied the allegation, saying that he was then driving very slowly at a constant speed. Because of the short time difference when he was caught by the camera and when the accident happened, he insisted that it would be impossible that he would already be at the place when the crime happened. B
- 6. Activity. Doing detective work •But when you were viewing the scene again on the camera, you noticed that his car was leaving oil spots on the road. When you checked these spots on the site, you found out that they were still evident. So, you began to wonder if the spots can be used to investigate the motion of the car of the suspect and check whether he was telling the truth or not. •Assume that the dots on the tape below represent the ‘oil drops’ left by the car down the road
- 7. Ticker - Tape Chart • Also known as ticker tape diagram • it is produced by a ticker-tape timer • A ticker-tape timer records the time of motion and distance traveled by a moving body. A paper tape is placed under a carbon disc beneath the clapper of the timer. As the body moves, it pulls the paper tape with it. When the timer is switched on, the clapper moves up and down regularly and strikes the carbon disc. Dots are then printed on the moving paper tape beneath the carbon disc
- 8. Ticker - Tape Chart Also known as ticker tape diagram it is produced by a ticker-tape timer A ticker-tape timer records the time of motion and distance traveled by a moving body.
- 9. The trace of the dots in the tape charts provides a history of the motion of an object The distance between the dots on a tape chart represents the change of position of an object at a time interval.
- 11. The dots on the tape chart shows the motion of an object with a constant velocity, deceleration, or acceleration
Editor's Notes
- Many of the things around us move. Motion is the process of moving an object from one place to another. It can be described in many ways: by using words, diagrams, numerical information, and equation. This lesson will focus on the visual representation of motion through ticker tape diagrams.
- ut when you were viewing the scene again on the camera, you noticed that his car was leaving oil spots on the road. When you checked these spots on the site, you found out that they were still evident. So, you began to wonder if the spots can be used to investigate the motion of the car of the suspect and check whether he was telling the truth or not. Assume that the dots on the tape below represent the ‘oil drops’ left by the car down the road
- A common way to analyze the motion of objects is through
- A common way to analyze the motion of objects is through A paper tape is placed under a carbon disc beneath the clapper of the timer. As the body moves, it pulls the paper tape with it. When the timer is switched on, the clapper moves up and down regularly and strikes the carbon disc. Dots are then printed on the moving paper tape beneath the carbon disc
- The trace of the dots in the tape charts provides a history of the motion of an object; thus, it can represent the motion of an object. The distance between the dots on a tape chart represents the change of position of an object at a time interval. A large distance between the dots means the object was moving fast during a time interval. On the contrary, a 8 small distance between the dots indicates that the object moved slowly during the time interval
- A large distance between the dots means the object was moving fast during a time interval. A small distance between the dots indicates that the object moved slowly during the time interval
- The dots on the tape chart shows the motion of an object with a constant velocity, deceleration, or acceleration. The interpretation of the motion of an object depends on the distance between the dots during a specific time interval. An equal distance between the dots indicates constant velocity or when an object is moving at a constant speed, there is no acceleration. A gradual change of the distance between dots that gets smaller means the object slows down which indicates that the object is decelerates. If the distance between dots gradually gets longer, it means the object speeds up or accelerates. Thus, the tape chart can represent various features of the motion of objects.