Question

The figure given below shows the displacement-time graph for four bodies A, B, C and D. In each case state what information do you get about the acceleration (zero, positive or negative).

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Answer

displacement time 4 bodies concise physics solutions icse class 9 1151x999 1

The following information is obtained from the given figures —

  • A → Zero acceleration since slope (i.e., velocity) is constant.
  • B → Zero acceleration since slope (i.e., velocity) is constant.
  • C → Negative acceleration (or retardation) since slope is decreasing with time.
  • D → positive acceleration since slope is increasing with time.

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