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CBSE Class 7 Answered

 1 what is motion and differentiate between uniform and non uniform motion? 2 what is displacement?
Asked by 20170163881 | 08 May, 2020, 11:24: AM
answered-by-expert Expert Answer

Differences between uniform and non-uniform motion:

Uniform motion

Non-uniform motion

  • Movement of a body along a straight line with steady speed.
  • Movement of an object along a straight line with variable speed.
  • Covers equal distances in equal time interval.
  • Covers unequal distances in equal time interval.
  • Average speed is similar to actual speed of the object.
  • Average speed is different from actual speed of the object.
  • Distance-time graph shows a straight line.
  • Distance-time graph shows a curved line.
  • Rectilinear motion has zero acceleration.
  • Rectilinear motion has non-zero acceleration.

2) The shortest path between the initial and the final point is known as displacement. It is a vector quantity. Displacement can be 0, positive and negative.
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