REST AND MOTION : KINEMATICS : REST AND MOTION : KINEMATICS
REST & MOTION : REST & MOTION If a body does not change its position as time passes it is at rest.
If a body changes its position as time passes it is said to be moving.
REST & MOTION : REST & MOTION Motion is a combined property of the object under study and the observer.
Nothing is in absolute rest or in absolute motion.
There is no meaning of rest or motion without the viewer.
Some Brainteaser.. : Some Brainteaser.. Book placed on table.
Robbery in a train.
Suitcase placed on platform.
Person in a plane.
Standstill train at a station.
Distance & Displacement : Distance & Displacement
Velocity & Speed : Velocity & Speed
Average Speed &Instantaneous Speed : Average Speed &Instantaneous Speed Vav = s t2 – t1
Vins = ds dt
Numerical : Numerical The distance travelled by a particle in time t is given by s = (2.5 m s^2) t^2. Find
the average spped of the particle during the time 0 to 5.0 s , and
The instantaneous speed at t = 5.0 s.
Average Velocity & Instantaneous Velocity : Average Velocity & Instantaneous Velocity
Relative Velocity : Relative Velocity
THANKS.. : THANKS..