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Which of the following statements is not true -
 

Option: 1

Motion of a flying kite is a three-dimensional motion


Option: 2

Motion of car on a straight road is one-dimensional motion


Option: 3

Motion of car on a circular path is one-dimensional motion


Option: 4

Motion of flying insect is three-dimensional motion

 


Answers (1)

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Kinematics terminologies -

  • Types of Motion

        There are three types of motion.

             I.  One Dimensional (1-D)-

  •  If only one coordinate is used to describe the motion of an object.
  •  Motion is a straight line is 1-D.
  •  E.g: Train running on singletrack, Apple falling from a tree

           II.   Two Dimensional (2-D)-

  •  When two coordinates are used to describe the motion of an object.
  •  Motion in-plane is 2-D.
  •  E.g Earth revolves around the sun.

          III. Three Dimensional -

  • When all three coordinates are used to describe the motion of an object.
  • Motion in space is 3-D.
  • e.g: object moving in space. 

The motion of a car on a circular path is a one-dimensional motion

This statement is not true

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manish

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