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How many variables are required to define the position of a body in space?

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in Physics – Class 11 by (74.2k points)
How many variables are required to define the position of a body in space?

(a) 3

(b) 2

(c) 1

(d) 0

The question was posed to me in exam.

This intriguing question originated from Straight Line Motion topic in portion Motion in a Straight Line of Physics – Class 11

1 Answer

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Best answer
The correct option is (a) 3

To elaborate: In space we require a minimum of 3 variables to describe the position of a body, namely x, y, and z (in Cartesian system). There are also systems other than Cartesian Coordinate system to do this like Cylindrical system, Spherical or Radial system.

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