The video explains the difference between distance and displacement in physics, as well as vector quantities and direction. It covers mathematical calculations involving angles, distances, and displacements, and discusses velocity, displacement, and acceleration concepts.
[00:00] First chapter of the course covers Europe, MCQs, and figure coding
- Chapter 1 used to be two chapters, now condensed into one
- Chapter 1 covers percentage calculation, justification, figure coding, and time management
- Course covers both Kinematics and Dynamics branches of Mechanics
[02:52] Motion without force reference can be studied using kinematics, while dynamics involves Newton's laws and mass.
- Distance and displacement are different vector quantities, with displacement being the shortest straight line path from starting to ending point
- Displacement is always represented for a straight line, while distance can be defined to any path
- In dynamics, displacement is represented as the starting point, while in kinematics, it is represented for the reference point
- The displacement is the shortest straight line path between the starting and ending points, while distance is the total length of the path traveled
[05:46] The video explains displacement and directed path in physics
- Displacement is the actual distance traveled by an object along a straight line
- Directed path is the shortest directed path from the starting point to the ending point
- Physical significant scalar quantity is displacement, while vector quantity is displacement and direction
- To calculate displacement, subtract the initial position from the final position
- Direction can be represented as zero, east, or right depending on the angle of displacement
[08:37] Calculating distance and displacement using Pythagoras theorem and angle measurement
- Distance between two points can be calculated using Pythagoras theorem
- Displacement is the straight line distance between starting and ending points
- Angle measurement can provide accurate direction for displacement
- Internal angles of a triangle add up to 180 degrees
[11:29] Object moving in a circular path completes 1.5 laps, displacement is 942m
- Radius of the circular path is 20m
- Starting and ending points are on the same path
- Distance traveled is equal to the circumference of the circular path
- 1 lap is equal to 2πr
- Displacement is the shortest distance between starting and ending points
[14:21] The video discusses displacement, speed, and time calculations in physics
- Displacement refers to the change in position of an object
- Speed is the rate at which an object moves
- Time is the duration of an object's movement
- Actual displacement is the distance traveled by an object
- Scalar velocity is the speed of an object in a particular direction
- Vector velocity is the speed and direction of an object
[17:13] Instantaneous speed is the speed at a specific moment
- Instantaneous speed is the speed shown on the speedometer at a specific moment
- Rate of change of distance or displacement is used to calculate instantaneous speed
- Rate of change of distance or displacement is calculated by taking the gradient of the distance-time graph
[20:06] The video discusses displacement, velocity, and time about an object's motion
- Displacement refers to the change in position of an object
- Velocity is the rate of change of displacement over time
- Time is a crucial factor in determining an object's motion
- The video also explains the concept of average speed and how it differs from instantaneous speed
[22:59] Calculating the average speed and displacement of an object moving along a path
- Object completed 1.5 laps with a radius of 10m in 8 seconds
- Total distance traveled is equal to 2πr, which is 62.8m
- Average speed is total distance divided by total time, which is 7.85m/s
- Average velocity is displacement divided by total time, which is 0m/s
- Displacement is equal to the final position minus the initial position, which is 0m
[25:50] Understanding the concepts of distance, displacement, speed, velocity, acceleration, and velocity change is crucial in physics.
- The unit of velocity is a meter per second
- Both distance and displacement are significant for speed and velocity
- Acceleration can be defined as the rate of change of velocity over time
- Change of velocity can be calculated using the formula delta v = v_f - v_i
- Rate of change of velocity can be calculated using the formula delta v / delta t
- Non-uniform acceleration results in a non-uniform change of velocity
@hashaamkhan-fv6ti Says:
is sir teaching good
@rohaanshammas6619 Says:
Sir notes mai starting kai chapters included nhi hain?
@XportEditz56 Says:
Aoa sir I have a question that will the formula sheet be given in the exam??
@ASHAR240 Says:
26:08 sir why didnt we multiplied the displacement with 1.5.
@UmairSafdar-d8w Says:
Assalam o Alaikum sir g kuch videos hidden hai😢
@asifulhaq6972 Says:
@understandingmath1
Oxford new syllabus
D1, D2, D3 Math solutions are availabe.😊
LATEST COMMENTS