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
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.
Answered by Ramandeep | 08 May, 2020, 12:24: PM
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