These notes are designed to give my fellow students the core concepts of kinematics or motion. Following the syllabus of CAIE. Hope that they will prove to be helpful. I'll be uploading notes for all chapters of O-level physics. Keep in touch.
CAMBRIDGE
O LEVEL - PHYSICS
5054
CHAPTER 3:
KINEMATICS
,3. KINEMATICS/MOTION
SPEED
● It is the distance travelled per unit time
AVERAGE SPEED: SPEED
● When speed is not constant; it is either
accelerating or decelerating(faster or SPEED: SCALAR
slower).This is when we take Average speed. v=s/t
● It is the total distance travelled in total time Average speed: Scalar
● v=speed,s=distance, and t=time avg.v= total s/total t
S.I unit = m/s
VELOCITY
● Velocity is change in displacement per unit time
● Velocity is same as speed except with direction
● Velocity uses displacement rather than distance
● Displacement is change in direction of an object
● Both are vector quantity : v=s/t: m/s
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