Which of the following is a one-dimensional m | vedclass

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(D) one-dimensional motion is defined as the motion of an object along a single straight line,where only one coordinate is required to specify its pos

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Train running on a straight track

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(D) one-dimensional motion is defined as the motion of an object along a single straight line,where only one coordinate is required to specify its position at any time. $1$. Landing of an aircraft involves motion in three dimensions. $2$. Earth revolving around the sun is a two-dimensional motion (orbital motion). $3$. The motion of the wheels of a moving train involves both translational and rotational motion,which is complex and multi-dimensional. $4$. $A$ train running on a straight track moves along a single axis,making it a one-dimensional motion.

Which of the following is a one-dimensional motion?

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