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प्रश्न
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously.
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उत्तर
The motion of an artificial satellite around the earth is an example of a motion (uniform circular motion) where an object does not change its speed but its direction of motion changes continuously.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The physical quantity which gives both, the speed and direction of motion of a body is called its……………
Arrange the following speed in increasing order (keeping the least speed first):
An athlete running with a speed of 10 m/s.
Arrange the following speed in increasing order (keeping the least speed first):
A bicycle moving with a speed of 200 m/min.
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
A train travels the first 15 km at a uniform speed of 30 km/h; the next 75 km at a uniform speed of 50 km/h; and the last 10 km at a uniform speed of 20 km/h. Calculate the average speed for the entire train journey.
Give an example of motion in which the average speed is not zero but the average velocity is zero.
Give one example of following motion :
Uniform velocity
Give one example of following motion :
Variable velocity
What is the relation between distance and time when the body is moving with variable velocity?
