Ch.4 Motion Graph (1) ( 運動圖表 ) 1. 2 4.1 Displacement-time Graph ( 位移 - 時間綫圖 ) time t displacement s 0 The displacement-time graph (s-t graph) of uniform.

Slides:

Advertisements

Similar presentations

Physics Lab 1 Graph Matching Mr. Chin-Sung Lin. Kinematics.

Advertisements

1.2 Speed & Velocity Many people use the terms speed and velocity interchangeably in everyday language. However, they have very different meanings in.

Graphing motion. Displacement vs. time Displacement (m) time(s) Describe the motion of the object represented by this graph This object is at rest 2m.

-Speed and Velocity -Uniform Linear Motion Physics Mrs. Coyle

普通物理 Test book: Fundamentals of Physics, 7th Ed., Halliday/ Resnick/ Walker, John Wiley & Sons, Inc.. Course content: Force, linear and rotation motion,

Chapter-2 Motion Along a Straight Line. Ch 2-1 Motion Along a Straight Line Motion of an object along a straight line  Object is point mass  Motion.

Velocity-Time Graphs SPH4C – Unit #1 Kinematics. Learning Goals and Success Criteria After this topic I will be able to… Determine the displacement and.

Difference between speed and velocity

INTERPRETING VELOCITY VS TIME GRAPHS HONORS PHYSICS.

Velocity-time graphs Homework and Review. Velocity-time graphs.

SPH3U Exam Review. 1. The slope of a position-time (i.e. displacement-time) graph is equal to the: A. acceleration B. distance travelled C. time interval.

Acceleration. Changing Motion Objects with changing velocities cover different distances in equal time intervals.

UNIT 1: 1-D KINEMATICS Lesson 4:

The graph is a hoirzontal line. Velocity is zero.

Motion in 1 Dimension. v  In the study of kinematics, we consider a moving object as a particle. A particle is a point-like mass having infinitesimal.

Acceleration (a vector quantity) is defined as the rate of change of velocity. It has units of m/s 2 Acceleration can be positive, negative, or zero. An.

A Mathematical Model of Motion

Things to know!. Velocity-Time Graphs A velocity-time (V-T) graph shows an object’s velocity as a function of time. A horizontal line = constant velocity.

Chapter Acceleration Non-uniform motion – more complex.

Unit B 1.3 Acceleration.

The city school PHYSICS Saqib javeed April12,2011.

Acceleration Motion Unit. Acceleration  objects that speed up, slow down, or change direction have accelerated Acceleration = change in velocity Interval.

Accelerated Motion Chapter 3.1 Page 57.  The most important thing to notice in motion diagrams is the distance between successive positions!  If the.

x (m) t (s) 0 What does the y-intercept represent?. x (m) t (s) 0.

Plotting graphs Drawing best fit lines (or curves) Calculating slope = calculating velocity Describing Motion: Position vs Time Graphs.

Position-Time and Velocity-Time Graphs

Ch.1 Distance ( 距離 ) & Displacement ( 位移 ) 1 Tai Wai Station Kowloon Tong Station displacement 4 km to the north distance 4.4 km.

Diagrams and Motion Graphs.  The slope is equal to the acceleration.  Because we only consider constant acceleration, v/t graphs will always be straight.

Velocity-Time Graphs and Acceleration. What does a v-t graph look like? Time is marked on the horizontal axis and velocity is on the vertical. Graphs.

Velocity-Time Graphs What is it and how do I read one?

Motion in One Dimension

Velocity-Time Graphs. The slope of a velocity-time graph represents acceleration. A positive slope – positive acceleration Negative slope – negative acceleration.

Ch. 2 Graphing of Motion in One Dimension. Displacement-time Graph (  x vs.  t) Slope equals velocity. The "y" intercept equals the initial displacement.

Speed, Velocity and Acceration. How Fast? Suppose you recorded two joggers on a distance-time graph. How could you tell the two joggers apart on the graph?

Graphing motion.

Draw the distance-time graph displacement / m time / s

Chapter 21 Kinematics 21.1 Displacement, Velocity and Acceleration.

Ch.7 Equations of Motion ( 運動方程式 ) Equations of Motion.

1 Kinematics Lesson Two Graphical Representations Equations of Motion.

Interpreting Motion Graphs. Position vs. time graphs The slope of the graph is equal to the velocity The slope of the graph is equal to the velocity If.

Instantaneous Velocity The velocity at an instant of time. For a curved graph, use very small intervals of time.

Graphing Motion. Graphing Data Independent axis: the x-axis- horizontal Dependent axis: the y-axis- vertical The y values depend on the x values.

Jill Luckey Beaufort Academy. What do you already know? In Math classes, you have learned how to make graphs. You have also learned that the SLOPE of.

1.1Motion and Motion Graphs. Kinematics Terminology Scalar vs. Vector Scalar: quantities that have only a size, but no direction – ie: distance, speed.

5.2 Motion graphs Interpreting motion graphs Practical 5.1 Purpose To understand how to interpret displacement-time graph and velocity-time graph. Procedure.

Uniform Motion and Relative Motion SPH3U UNIT 1: KINEMATICS.

Motion graphs Position (displacement) vs. time Distance vs. time

Graphs of Motion Physics Notes. Introduction to Graphs  Graphs are mathematical pictures.  They are the best way to convey a description of real world.

Interpreting Motion Graphs

Interpreting Motion Graphs

Mechanics 1 : Kinematics

Motion Graphs Position-Time (also called Distance-Time or Displacement-Time) d t At rest.

Consider a car moving with a constant, rightward (+) velocity - say of +10 m/s. If the position-time data for such a car were.

Lesson One – Position, distance and Displacement

Graphing Motion Walk Around

Section 2 Acceleration p. 324

Kinematics in one Dimension: Uniform motion graphs

Kinematics: The Mathematics of Motion

Section 1 Displacement and Velocity

Understanding Motion Graphs

Ch.3 Uniform Motion (勻速運動)

Ch.3 Uniform Motion (勻速運動)

Velocity-Time Graphs for Acceleration

Section 4.5 The Slope of a Line Goal: Find the slope of a line.

Velocity vs Time Graphs

Ch.5 Motion Graph (運動圖表).

Mathematics (數學) for Physics

Motion in One Dimension

Presentation transcript:

Ch.4 Motion Graph (1) ( 運動圖表 ) 1

2 4.1 Displacement-time Graph ( 位移 - 時間綫圖 ) time t displacement s 0 The displacement-time graph (s-t graph) of uniform motion is a straight line passing through the origin.

3 time t displacement s 0 The slope of the s-t graph equals to the velocity of the object. velocity = slope of s-t graph

4 time t displacement s 0 A B slope of A > slope of B velocity of A > velocity of B

5

6 s = 10 m

7 (b) What is the time when the girl’s displacement is 20 m?

8 t = 30 s

9 (c) What is the slope of the graph?

10 (c) What is the slope of the graph? slope = (20-0) ÷ (30-0) = m s -1

11 (d) What is the velocity of the girl? velocity = slope = m s -1

Velocity-time Graph ( 速度 - 時間綫圖 ) time t velocity v 0 The velocity-time graph (v-t graph) of uniform motion (constant velocity) is a horizontal line.

13 velocity v time t 0 A B v1v1 v2v2 v 1 = velocity of object A v 2 = velocity of object B v 1 > v 2

14 time t 0 v t velocity v Displacement = Area of v-t graph

15

16 velocity = 6 m s -1

17 What is the displacement of the man at t = 40 s?

18 What is the displacement of the man at t = 40 s? displacement = area = (6)(40) = 240 m

19

20 s = 0

21 s = 0 s = 2 m

22

23 t = 5 s

24 t = 5 s t = 7 s

25 (c)What is the velocity of the dog when (i) t = 2 s and (ii) t = 6 s

26 (c)What is the velocity of the dog when (i) t = 2 s and (ii) t = 6 s (i)v = 0 (ii)v = slope = (4-0) ÷ (8-4) = 1 m s -1

27

28 t = 0 to 4 s slope = 0

29 t = 4 to 8 s slope = 1 ms -1

30

31 Homework: Assignment Book 1. Chapter 4: Motion Graph (1) Q.1 – Q.3 (p.14-17) 2. Deadline: ___ - ____