मराठी

Two students were asked to plot a distance-time graph for the motion described by Table A and Table B. Table A Distance moved (m) 0 10 20 30 40 50 Time (minutes) 0 2 4 6 8 10 Table B Distance moved

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प्रश्न

Two students were asked to plot a distance-time graph for the motion described by Table A and Table B.

Table A
Distance moved (m) 0 10 20 30 40 50
Time (minutes) 0 2 4 6 8 10
Table B
Distance moved (m) 0 5 10 15 20 25
Time (minutes) 0 1 2 3 4 5


The graph given in figure is true for

पर्याय

  • both A and B.

  • A only.

  • B only.

  • neither A nor B.

MCQ
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उत्तर

both A and B.

Explanation:

Distance time graph for uniform motion shows a straight line. Slope is the same for both table A and table B. 

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पाठ 13: Motion and Time - MULTIPLE CHOICE QUESTIONS [पृष्ठ ६८]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
पाठ 13 Motion and Time
MULTIPLE CHOICE QUESTIONS | Q 3. | पृष्ठ ६८

संबंधित प्रश्‍न

What can you say about the motion of an object whose distance-time graph is a straight line parallel to the time axis?


Given figure shows the distance-time graph of three objects A, B and C. Study the graph and answer the following questions:

  1. Which of the three is travelling the fastest?
  2. Are all three ever at the same point on the road?
  3. How far has C travelled when B passes A?
  4. How far has B travelled by the time it passes C?

Fill in the following blank with suitable word :

The slope of a distance-time graph indicates ………………….. of a moving body.


Fill in the following blank with suitable word :

The slope of a speed-time graph of a moving body gives its………………………..


Name the two quantities, the slope of whose graph give speed .


A student draws a distance-time graph for a moving scooter and finds that a section of the graph is horizontal line parallel to the time axis. Which of the following conclusion is correct about this section of the graph?


Figure (a) shows the displacement-time graph for the motion of a body. Use it to calculate the velocity of the body at t = 1 s, 2 s and 3 s, and then draw the velocity-time graph in Figure (b) for it.

(a) (b)

The slope of the distance-time curve is steeper/greater is the ______.


Assertion: The position-time graph of a uniform motion in one dimension of a body can have a negative slope
Reason: When the speed of the body decreases with time then, the position-time graph of the moving body has a negative slope.


What do you infer if

  1. Distance – time graph is a straight line.
  2. The velocity-time graph is curved.
  3. Displacement time is zigzag.

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