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A car is moving on a circular path then how many coordinates are required to describe the motion of the car?
1. 1
2. 2
3. 3
4. 4

1 Answer

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Best answer
Correct Answer - Option 2 : 2

CONCEPT:

  • One-dimensional motion: When a body is moving on a straight line then it is called one-dimensional motion.
  • It needs only one coordinate to describe the motion.
    • Example: Moving train, body moving on a straight line like a horse, boy, etc.
  • Two-dimensional motion: The body moving on a zig-zag path of two dimensions, circular motion, or a projectile motion are a two-dimensional motion.
  • It needs 2 coordinates to describe the motion.

EXPLANATION:

  • Since the car is moving on a circular path which is an example of two-dimensional motion
  • The two-dimensional motion needs 2-coordinates to describe the motion. Hence option 2 is correct.

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