1 2 describing motion
How can you describe the motion of an object?
You can describe the motion of an object by its position, speed, direction, and acceleration. 4 Linear Motion You can describe the motion of an object by its position, speed, direction, and acceleration. 4 Linear Motion
What is the difference between kinematics and dynamics?
There are two aspects to any motion. There is the movement itself and there is the issue of what caused the motion or what changed it. This requires that forces be considered. Kinematicsdeals with the concepts that are needed to describe motion, without any reference of forces. Dynamicsdeals with the effect that forces have on motion.
What type of motion is at rest relative to Earth?
4.1 Motion Is Relative 4 Linear Motion Although you may be at rest relative to Earth’s surface, you’re moving about 100,000 km/h relative to the sun. 4.1 Motion Is Relative 4 Linear Motion think! A hungry mosquito sees you resting in a hammock in a 3- meters-per-second breeze.
How do you find the distance traveled in linear motion?
4.2 Speed 4 Linear Motion If we know average speed and travel time, the distance traveled is easy to find. total distance covered = average speed × travel time For example, if your average speed is 80 kilometers per hour on a 4-hour trip, then you cover a total distance of 320 kilometers. 4.2 Speed
[PDF File]Describing Motion: Kinematics in One Dimension
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1 CHAPTER 2 Describing Motion: Kinematics in One Dimension ... 1 50 to xm 2 30.5. What was the runner’s average velocity? given find formula solution ts 3.00 (Note: distance (x) is to the left on the x-axis that is why it is negative) Example 2: You step on a nail with your bare feet. A …
[PDF File]1 Chapter 1: Kinematics – describing motion
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Chapter 1: Kinematics – describing motion 2 the time it takes to travel between two fixed points. For Here are some units of speed: m s−1 mm s−1 km s−1 km h−1 Which of these units would be appropriate when stating the speed of each of the following? a a tortoise b a car on a long journey c light d a sprinter. 3 A snail crawls 12cm in ...
[PDF File]ENERGY FUNDAMENTALS – LESSON PLAN 1.2 Newton’s First …
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WORKSHEET FOR NEWTON’S FIRST LAW OF MOTION LESSON 1.2 . Inertia. Objective: Students will be able to describe motion, describe the changes motion causes, and identify the characteristics of objects in motion. 1. Give an example of an object resisting a change in motion.
[PDF File]You can describe the motion of an object by its …
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4.1 Motion Is Relative . 4 Linear Motion The racing cars in the Indy 500 move relative to the track. 4.1 Motion Is Relative . ... useful and convenient are legitimate for describing speed: • miles per hour (mi/h) • kilometers per hour (km/h) • centimeters per day • light-years per century 4.2 Speed . 4 Linear Motion ...
[PDF File]CH. 2: Kinematics: Describing motion.
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DESCRIBING the motion of things. In Ch. 2, we keep life as easy as possible: 1) We’ll only talk about "particles": pointlike objects, whose structure is irrelevant. It's an abstraction, a model for real-life objects. (Consider a spherical horse...
[PDF File]2.1 Describing Motion 2.2 Acceleration 2.3 Motion and Forces
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2.1 Describing Motion An object’s speed depends on how far an object travels in a unit of time. 2.2 Acceleration Acceleration describes how the speed of an object is changing. 2.3 Motion and Forces An object’s motion changes only if the forces acting on the object are unbalanced.
[PDF File]CHAPTER 2 Describing Motion: Kinematics in One Dimension
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R 1 =2.5 cmand finishes at radius R. 2 =5.8 cm The distance between the centers of neighboring spiral-windings is 16 m 16 10 m.. .m3 (@ 2 6 ) (a) Determine the total length of the spiraling path. [Hint: Imagine “unwinding” the spiral into a straight path of width 1 6 m,. m and note that the original spiral and the straight path both occupy the same area.] (b) To read information, a CD ...
[PDF File]Describing Motion with Position-Time Graphs
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MOP Connection: Kinematic Graphing: sublevels 1-4 (and some of sublevels 9-11) Motion can be described using words, diagrams, numerical information, equations, and graphs. Describing motion with graphs involves representing how a quantity such as the object's position can change with respect to the time.
[PDF File]Section 3 - Motion and the Calculus
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3-1 Section 3 - Motion and the Calculus Section Outline 1. The Calculus of Motion 2. The Special Case of Constant Acceleration We are trying to answer the question, “What do objects do?” That is, we want to thoroughly describe motion in terms of position, displacement, velocity and acceleration and we have carefully defined these ideas.
[PDF File]Reading 1: Describing Motion in Words - TFN Physics
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Unit 2 Constant Velocity Reading 1: Describing Motion in Words Kinematics: Describing Motion The area of physics that describes how things move is commonly called kinematics. In this unit, we begin to explore the nature of motion by exploring what variables are necessary in order to describe the motion of an object.
[PDF File]Lecture #2: Describing Motion-One Dimension
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When going from 1 sec to 2 sec, the displacement Dy=(19.6 m - 4.9 m) = 14.7 m When going from 2 sec to 3 sec, the displacement Dy=(44.1 m - 19.6 m) = 24.5 m So the displacement Dy is not constant and Dy is increasing with time. The is a characteristic of what is called accelerated motion. | 2. Describing Motion.nb 9
[PDF File]2.1 Describing Motion - Weebly
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2.1 Describing Motion Using Coordinate Systems Coordinate System • The frame of reference used to describe a system or event. • Can be used to visualize a system before doing calculations and solving the problem. One-Dimensional Coordinate Systems • A straight line with an arrow at the end, indicating the positive direction.
[PDF File]DESCRIBING MOTION - Weebly
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1 DESCRIBING MOTION Many of the things around us move. Some move slowly like the turtles and clouds, others move much more quickly like the satellites. Because motion is so common, it seems to be very simple. But in science, describing motion actually entails careful use of some definitions.
[PDF File]Describing Motion Verbally with Distance and Displacement
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MOP Connection: Kinematic Concepts: sublevels 1 and 2 Motion can be described using words, diagrams, numerical information, equations, and graphs. Using words to describe the motion of objects involves an understanding of such concepts as position, displacement, distance, rate, speed, velocity, and acceleration. Vectors vs. Scalars 1.
[PDF File]CHAPTER 2: Describing Motion: Kinematics in One Dimension ...
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CHAPTER 2: Describing Motion: Kinematics in One Dimension Answers to Questions 1. A car speedometer measures only speed. It does not give any information about the direction, and so does not measure velocity. 2. By definition, if an object has a constant velocity, then both the object's speed and its direction of motion are constant.
[PDF File]Describing Motion: Kinematics in One Dimension
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1 CHAPTER 2 Describing Motion: Kinematics in One Dimension ... 1 50 to xm 2 30.5. What was the runner’s average velocity? given find formula solution ts 3.00 (Note: distance (x) is to the left on the x-axis that is why it is negative) Example 2: You step on a nail with your bare feet. A nerve impulse, generated in your ...
[PDF File]Section Describing Motion 1 - Weebly
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1 Describing Motion • An important part of describing the motion of an object is to describe how far it has moved, which is distance. • The SI unit of length or distance is the meter (m). Longer distances are measured in kilometers (km). Distance
[PDF File]Motion in One Dimension Name - Tonkaapphysics
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Describing motion with numbers can involve a variety of skills. On this page, we will focus on the use tabular data to describe the motion of objects. 1. Position-time information for a giant sea turtle, a cheetah, and the continent of North America are shown in the data tables below. Assume that the motion is uniform for these three objects ...
[PDF File]017 028 CH02 SN 896279 3/29/10 10:47 PM Page 17 User-040 ...
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Section 1 Describing Motion (continued) Motion and Position I found this information on page . SE, pp. 45–46 RE, p. 26 It is easier to see distance and direction on graph paper. Accept all reasonable responses. Speed I found this information on page . SE, pp. 46–49 RE, pp. 27–28 Name Date Motion 19
[PDF File]You can describe the motion of an object by its position ...
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4.1 Motion Is Relative . 4 Linear Motion The racing cars in the Indy 500 move relative to the track. 4.1 Motion Is Relative . ... useful and convenient are legitimate for describing speed: • miles per hour (mi/h) • kilometers per hour (km/h) • centimeters per day • light-years per century 4.2 Speed . 4 Linear Motion ...
[PDF File]Describing Motion Verbally with Speed and Velocity
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mile apart. On one occasion, a car was observed to take 7.2 seconds to travel this distance. a. How much time did it take the car to travel the distance in hours? There are 60.0 seconds in one minute and 60.0 minutes in 1 hour. So 7.2 seconds is equivalent to 0.0020 hours t = 7.2 s • (1 min/60.0 s) • (1 hr/60.0 min) = 0.0020 hr b.
[PDF File]Chapter 2 Describing Motion/ Key - Weebly
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Physics – A First Course, Second Edition/ Chapter 2 – Describing Motion 3 Chapter 2 Review Understanding Vocabulary Select the correct term in the term bank on page 48 to complete the sentences. 1. The rate at which speed changes is called _acceleration___. 2. ___Position__ is a variable that gives location relative to an origin. 3.
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