CHAP2: KINEMATICS

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chap 2 kinematics: ended on 31/07/16
Fatima Zehra
Note by Fatima Zehra, updated more than 1 year ago
Fatima Zehra
Created by Fatima Zehra about 8 years ago
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Scalar quantities are physical quantities with no direction on magnitudeVector quantities are quantities with magnitude + direction.SCALAR Vectortime displacementdistance acceleration speed SpeedDISTANCE: The total length covered by a moving object regardless of the direction of motion SI Unit: meter (m)DISPLACEMENT: distance measured in a straight line. meter (m)

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Speed ,Velocity and AccelerationSpeed: Distance moved per unit time Speed= Distance travelled/ Time takenthe speed of an object at a particular instant is known as instantaneous speed Velocity: rate of change of displacementVelocity= displacement/time taken

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