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If the displacement-time graph of a moving object is not straight, then the object will move with 

If the displacement-time graph of a moving object is not straight, then the object will move with  Correct Answer Non-uniform velocity

Correct option-2

Concept:-

  • Displacement-time graph is nothing but a plot between displacement and time. 
  • Displacement of a moving object is vector quantity so it can be both positive and negative.
  • The graph between displacement and time (x-t) is very useful in the numerical analysis.
  • The x-t graph gives us the idea of velocity and acceleration.
  • By the slope of x-t graph, we can find the velocity.

 

Explanation:-

  • The slope of the tangent in a graph plotted between two physical quantities is the rate of change of that quantity represented by Y-axis with respect to the change in the quantity represented by x-axis.
  • For displacement- time graph , slope of x-t graph determines the instantaneous velocity and its unit is m/s.

 

[ alt="x-t graph" src="//storage.googleapis.com/tb-img/production/21/04/x-t%20graph.png" style="width: 535px; height: 167px;">

 

  • Displacement time graph for an object at rest is a straight line with zero slope.
  • Displacement time graph for an object having uniform motion is a straight line with non-zero slope.
  • Displacement time graph for an object with uniform acceleration is a parabola.

 

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