Distance
Definition:
The distance traveled by an object is the total length that is traveled by that object.
The distance traveled by an object is the total length that is traveled by that object.
SI unit: meter (m)
Quantity: Scalar
Displacement
Definition:
Displacement of an object from a point of reference, O is the shortest distance of the object from point O in a specific direction.
Displacement of an object from a point of reference, O is the shortest distance of the object from point O in a specific direction.
SI unit: meter (m)
Quantity: Vector
Example:
The distance of point B from the origin O
is 100m.
The distance of point A from the origin O
is also 100m.
The displacement of point B from the origin
O is +100m.
The distance of point A from the origin O
is -100m.
The + and – sign show the direction of the
displacement.
Example:
Adli go to work by motorcycle everyday as
shown in the diagram above.
The distance that Adli travels from his
house to the factory is 200m.
The displacement of Adli from his house after
arriving at the factory is 120m.
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