Motion in a straight line class 11 | One shot | Chapter 3 Physics| CBSE | JEE | NEET

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Timestamps:
0:00 Introduction
0:45 Motion.
2:26 Rectilinear
5:08 Scalar & vector
7:55 Path Length Vs Displacement
13:01 Speed Vs.Velocity
16:43 Distance – Time:Graph
28:43 Position -Time:Graph
37:49 Can Slope be negative
40:28 Position Time Graphs:Examples
45:06 Average & instantaneous Speed
51:26 Average & Instantaneous Velocity
52:16 Acceleration
54:00 Acceleration :V-T graph
1:02:10 When Accleration =0
1:02:59 Average & Instantaneous Acceleration
1:03:30 Velocity Time Graphs:Examples
1:10:52 Acceleration -Time Graph
1:17:34 Area under Velocity Time Graph=Displacement
1:20:06 Important Points:Position & Velocity Graphs
1:21:36 Example 1
1:25:46 Example 2
1:27:38 Kinematic Equations
1:30:27 Problem 1
1:38:14 Problem 2
1:42:35 Relative Velocity
1:44:51 Relative Velocity:Basics
1:50:28 Relative Velocity:Special Case
1:53:00 Relative Velocity:Problem
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Motion in a straight line is defined as “An object is said to be in motion if its position changes with time”. In this video we will cover:
1.What is motion?
2.What is rectilinear motion?
3.Intrepretation from different Position-Time Graph.
4.Define acceleration?
5.Acceleration from velocity time graph.
6.Some examples when acceleration can be 0.
7.Intrepretation from different velocity-time graphs.
8.Area under V-T curve gives us Displacement.
9.Example 1:-Given t=α^2+ βx, find retardation.
10.Example 2:- Given accleration a=3t+4, find velocity at t=2s.
11.Kinematic equations of motion.
12.Problem 1:-The position of a train at a time 2 sec is 100m from a station. If its velocity at the end of 2 sec and at the end of 10 sec are 5m/sec and 20m/sec respectively. Find the position of the train at the end of 10sec?
13.Problem 2:-A car moving along a straight highway with speed of 108 km h–1 is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform), and how long does it take for the car to stop ?
14.Two parallel rail tracks run north-south Train A moves north with a speed of 54kmh−1 and train B moves south with a speed of 90kmh−1. What is the a. relative velocity of B with respect to A? b. relative of a monkey running on the roof of the train A against its motion (with its velocity of 18kmh1 with respect to the train A ) as observed by a man standing on the ground?

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