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Kinematics JUNIOR EAMCET
Distance and Displacement O A B 4m 3m 5m O to B: distance is 7m and displacement is 5m
Distance and Displacement O A B C 4m 3m 5m O to C along OABC: distance is 11m and displacement is 3m
Distance and Displacement O A B C 4m 3m 5m O to O along OABCO: distance is 14m and displacement is zero
Arc of a Circle RR A B Arc length AB is R AB jaw length is
Average Speed and Average Velocity u v tt v s u s Both averge speed and average velocity
Average Speed and Average Velocity v s u s Both averge speed Both averge velocity
Train Crossing a Bridge Post Train BridgeTrain u s Time of crossing the post is Time of crossing the bridge is u s L
Average Speed and Averge Velocity AB R Average speed = Average velocity = Average acceleration = u u
Direction of Acceleration uv uv a a Direction of acceleration is v – u Acceleration is positive if v > u Acceleration is negative if v < u
Sign Application + g Downward direction is positive Freely falling body S, u, v, g, h are all positive Body projecte up Upward direction is positive a = – g u, v, h are all positive
Body Projected From the Top of a Tower u Upward direction is positive a = – g s = – h u is positive s, g are negative
Tossing in a Train If V t = V b : a = 0; the ball falls in the hand If V t > V b : a > 0 the ball falls bedhind If V t < V b : a < 0; the ball falls in front
V n – V n-1 = a V n = u + an V n-1 = u + a(n – 1) S n – S n-1 = a
u v s t Displacement = average velocity × time If u = 0
A B a u A B a u A B a u A travels with acceleration a, B with uniform velocity u If they start simultaneously Time of meet is If A is ahead of B d d If B is ahead of A
One Body Projected and the Other Falling Freely u = 0 u = u Time of meet is h Height of meet is h = h 1 + h 2
u u h Time taken to reach the ground is t 1 when throuwn up Time taken to reach the ground is t 2 when thrown down t1t1 t2t2 Time of free fall is Initial velocity u = Height h =
Water Drops from the Tap h (n – 1)t = t is time interval with which the drops are released Ratio of displacements of 4 th, 3 rd, 2 nd and 1 st drops is 1 : 3 : 5 : 7
h height of the window u velocity at the top of the window t time of crossing the window
If the velocity is reduced by after travelling a distnce x, then the total distance it can travel is
If th front and back of the train cross a post with velocities u and v, the center will cross the same post with velocity ---- u v x
Graphical Representation v t Uniform velocity a a O -a 10m/s
Graphical Representation v t Uniform velocity 10/3 a O -5 10m/s
Graphical Representation v tO v max
v t O P V – t Graph The slope gives acceleration Acceleration is positive if < 90 Acceleration is negative if > 90 Area represents displacement Displacement is positive if area is above x - axis
Graphical Representation v t u constant a u = 0 a u -a O
AB s u v Distance is 2s Displacement is zero Time for forward journey is Time for return journey is Average speed is
u a t u a t d
Equations of Motion X = a + bt + ct 2
Problem Find the acceleration
A car moving with a speed of 18 kmph comes to rest, when it moves through a distance of 100m. calculate (i) its uniform retardation, (ii) time taken to.
Kinematic Equations Practice Problems. 1. An object starts from rest with a constant acceleration of 8.00 m/s/s along a straight line. Find the speed.
Freefall Motion Notes Any object near the surface of the Earth experiences the pull of gravity. If released from rest, the object will fall freely toward.
Motion in One Dimension. Dynamics The branch of physics involving the motion of an object and the relationship between that motion and other physics concepts.
Kinematics deals with situations involving motion. S=distance/displacement. If s=0, object is at starting point +- relates to position from a certain.
The four kinematic equations which describe an object's motion are: There are a variety of symbols used in the above equations and each symbol has a specific.
Kinematics Review. DISTANCE ( m ) TIME (s)
Motion in One DimensionSection 1 Preview Section 1 AccelerationAcceleration Section 2 Extra QuestionsExtra Questions.
Motion in One Dimension – PART (s) x (m) 1234 t 5 Motion Diagrams An object starts from rest and moves with constant.
-Thrown Down -Going Up and Coming Down Physics Mrs. Coyle.
Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Chapter 2 Table of Contents Section 1 Displacement and Velocity Section.
You and your dog go for a walk to the park. On the way, your dog takes many side trips to chase squirrels or examine fire hydrants. When you arrive at.
Info First Exam Thursday Oct. 2 Chapters 1, 2, and 3 homework due at that time. 3inch x 5 inch card is okay to use 1-side of equations, no sentences 1st.
Linear Accelerated Motion Part 2 For the Higher Level Leaving Cert Course ©Edward Williamson, Applied Maths Local Facilitator, Coachford College, Co Cork.
Motion in One Dimension. Scalar and Vector Quantities Vector- a physical quantity that requires the specification of both magnitude and direction. Scalar-
Kinematics The branch of mechanics that studies the motion of a body without caring about what caused the motion.
Physics 101: Lecture 6, Pg 1 Lecture 5: Introduction to Physics PHY101 Chapter 2: è Equations of Kinematics for Constant Acceleration in 1 Dim. (2.4, 2.5,
© 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their.
Derivation of Kinematic Equations Where do the equations come from?
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley. In this chapter we study kinematics of motion in one dimensionmotion along.
Graphical Analysis of Motion AP Physics C. Slope – A basic graph model A basic model for understanding graphs in physics is SLOPE. Using the model - Look.
Sample Questions. Which of the following are proper units for acceleration? a)N b)Kg m/s 2 c)N/m 2 d)m/s 2 e)m 2 /s.
Ch. 2 Conceptual Practice AP Physics B 21 questions…have phun. Answers are provided after the quiz (slides 24-44).
Kinematics Kinematics is the branch of mechanics that describes the motion of objects without necessarily discussing what causes the motion. We will learn.
Kinematics in One Dimension Chapter 2. Kinematics deals with the concepts that are needed to describe motion. Dynamics deals with the effect that forces.
DO NOW The position-time graph above represents the motion of a basketball coach during the last sixteen seconds of overtime. (a) Determine the total distance.
Force and Motion 8th Grade Investigations 5-8 Force and Motion.
Kinematics Position, Velocity, and Acceleration Graphs.
1 Using Kinematic Equations 1. Write down the symbols, values and units (in SI) of given quantities 2. Write down the symbol of the quantities required.
Kinematics: What is velocity and acceleration? Lets Review v = d t Distance traveled (m) Time taken (sec) Average Velocity (m/sec) Instantaneous Velocity:
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