An object moves from point A to point B to point C, then back to point B and then to point C along the line. The distance covered by the moving object is 17 km.The magnitude and direction of the 9 km direction A to C.
Given:
Distance from A to B = 5km
Distance from B to C = 4km
Movement of object = A to B to C + C to B + B to C
Movement is in straight line
What is distance?
Distance is referred to the total path or way covered by any object in its entire motion.
Distance comes in the list of scalar quantities.
It only has magnitude.
What is displacement?
(a)Displacement is referred as the straight line joining the start and end points of any body's motion.
It is independent of the total path.
It is a vector quantity and has magnitude as well as direction.
In the given figure:
A to B to C = (5+4) = 9 km
C to B = 4 km
B to C = 4 km
Distance covered = total path covered in its motion = A to B to C + C to B + B to C = 9 + 4 + 4 = 17 km
(b) Initial point of body = A = 0 km
Final point of body = C = 9 km
Displacement of the body = A to C = (9 - 0) km= 9 km
displacement 9 km
direction A to C
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