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प्रश्न
When is a body said to be in motion?
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उत्तर
A body is said to be in motion if it changes its position with respect to its immediate surroundings.
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संबंधित प्रश्न
Change the speed of 6 m/s into km/h.
What name is given to the speed in a specified direction ?
What is the SI unit of retardation ?
State whether speed is a scalar or a vector quantity. Give reason for your choice.
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.
What do you mean by motion in one direction?
Which of the quantity-velocity or acceleration-determines the direction of motion?
Give one example of following motion :
Variable velocity
A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
