Q8.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 shown in the figure below.
a)Find the distance covered by the moving object.
b)Find the magnitude and direction of the displacement of the object.
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Answers
Answered by
171
Answer:
Explanation:
total distance = 5+4+4+4 =17 km
dispalcement is shortest distance between initial and final point = 9 km
Answered by
42
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
To find:
(a) Distance covered by object
(b) Displacement of object
Calculation:
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?
- 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
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
Answer:
Distance travelled = 17 km
Displacement of body = 9 km towards right
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