Advertisements
Advertisements
प्रश्न
A sprinter is running along the circumference of a big sports stadium with constant speed. Which of the following do you think is changing in this case?
विकल्प
magnitude of acceleration being produced
distance covered by the sprinter per second
direction in which the sprinter is running
centripetal force acting on the sprinter
Advertisements
उत्तर
The sprinter is having a uniform circular motion in which the direction of motion continuously changes. So, the answer is
(c) direction in which sprinter is running
APPEARS IN
संबंधित प्रश्न
Name five different types of motion you know.
An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example.
Vibratory motion and rotatory motion are periodic motions.
How does the earth revolve?
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
Given below as figure is the distance-time graph of the motion an object.
- What will be the position of the object at 20s?
- What will be the distance travelled by the object in 12s?
- What is the average speed of the object?
Paheli moves on a straight road from point A to point C. She takes 20 minutes to cover a certain distance AB and 30 minutes to cover the rest of distance BC. She then turns back and takes 30 minutes to cover the distance CB and 20 minutes to cover the rest of the distance to her starting point. She makes 5 rounds on the road the same way. Paheli concludes that her motion is ______.
A body repeating its motion after certain interval of time is in ______ motion.
Consider an object is rest at position x = 20m. Then its displacement – time graph will be straight-line ______ to the time axis.
Motion & rest are relative terms.
