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प्रश्न
Define displacement.
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उत्तर
The displacement of a moving body is defined as the change in its position along a particular direction
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संबंधित प्रश्न
State whether distance is a scalar or a vector quantity.
A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East.
What is the resultant displacement ?
Write an expression for the distance S covered in time t by a body which is initially at rest and starts moving with a constant acceleration a.
A body starts with an initial velocity of 10m s-1 and acceleration 5 m s-2. Find the distance covered by it in 5 s.
Explain the following concept in your own words with everyday examples:
Distance
Calculate the distance and displacement in the following case:
Assertion: Displacement of a body may be zero when distance travelled by it is not zero.
Reason: The displacement is the shortest distance between initial and final position.
Exercise Problems.
An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 m and 20 s?
A scalar quantity has ______.
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
