Graphical Representation of Motion

Author:NCERT
9th CBSE
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Important Questions on Graphical Representation of Motion

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Which velocity-time graph shows a period of acceleration in the motion?

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The figure gives the speed-time graph of the motion of a car. What is the ratio of the distance travelled by car during the last two seconds to the total distance travelled in seven seconds?

 

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The velocity-time graph of a point mass moving in the +x-direction is shown below. The acceleration of the point mass is:

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The distance-time graph of four bikes P,Q,R and S which are moving on a straight road is shown in the given figure. Which of the following statement is correct regarding their motion.

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Now, let’s find the acceleration for this interval using the formula. The acceleration will be:
 

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Match the following and select the correct option.

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a A                                p I turn back towards the start of my walk
b B q I start to walk at a constant speed
c C r I feel tired so I slow down
d D s I start to walk a little quicker
e E t I start to walk downhill so my speed increases

 

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The area under velocity-time graph represents the

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The velocity-time graph of a ball moving on the surface of a floor is given below.

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If the mass of the ball is 200 g, then the value of force on the ball is

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The below given position-time graph describes which of the given options:

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The given diagram shows velocity-time graphs of cars P and Q, starting from the same place and in the same direction.

Calculate the acceleration of car Q between 2 s and 5 s in m/s2. (Give the answer in two decimal points)

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When v-t graph has negative slope, acceleration is _____. (negative / zero / positive)

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Consider the graph shown in figure which of the following is correct?

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Using the given v-t graph, one can conclude:

A: Displacement in (0-4) seconds is equal to the displacement in (4-6) seconds.
B: Acceleration is 2.5 m s-2 in OA and zero in AB.
C: Acceleration is negative in time (6-8) seconds.

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A teacher has a habit of walking to and fro between the left and right ends of the classroom at a uniform speed while lecturing. She pauses for a fixed interval of time, every time she reaches an end. Let the left and right ends of her path be at x=-L and x=+L respectively. If at t=0 she starts moving from the right end, which of the following x-t graphs describes her motion?

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The displacement-time graph for a body at rest is

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Find the distance travelled in 5 seconds with the help of given graph.
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What does the graph shown below indicate?
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In below graph, when car B passes car A, the distance travelled by car C is:
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The curve AB of displacement-time graph represents :    

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