State in each case if the motion is one, two or three dimensional (a) An ant moving on a globe (b) The earth revolving around the sun (c) A train accelerating on a long straight track.
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Q. State in each case if the motion is one, two or three dimensional (a) An ant moving on a globe (b) The earth revolving around the sun (c) A train accelerating on a long straight track.
A. ( a ) An ant moving on a globe = The motion is 2D.
( b ) The earth revolving around the sun = The motion is 3D.
( c ) A train accelerating on a long straight track = The motion is 1D.
- 2D is Two-Dimensional, 1D is One-Dimensional and 3D is Three-Dimensional.
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