English

Starting from A, Paheli moves along a rectangular path ABCD as shown in figure. She takes 2 minutes to travel each side. Plot a distance-time graph

Advertisements
Advertisements

Question

Starting from A, Paheli moves along a rectangular path ABCD as shown in figure. She takes 2 minutes to travel each side. Plot a distance-time graph and explain whether the motion is uniform or non-uniform.

Graph
Advertisements

Solution

Since the distance covered per unit time for the entire rectangular path covered is not the same, the motion is non-uniform.

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Motion and Time - SHORT ANSWER QUESTIONS [Page 72]

APPEARS IN

NCERT Exemplar Science [English] Class 7
Chapter 13 Motion and Time
SHORT ANSWER QUESTIONS | Q 16. | Page 72

RELATED QUESTIONS

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


A driver of a car travelling at 52 km h−1 applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5 s. Another driver going at 3 km h−1 in another car applies his brakes slowly and stops in 10 s. On the same graph paper, plot the speed versus time graphs for the two cars. Which of the two cars travelled farther after the brakes were applied?


What does the slope of a distance-time graph indicate ?


Fill in the following blank with suitable word :

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


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)

If we denote speed by S, distance by D and time by T, the relationship between these quantities is ______.


Complete the data of the table given below with the help of the distance-time graph given in the figure.

Distance  (m) 0 4 ? 12 ? 20
Time (s) 0 2 4 ? 8 10


Boojho goes to the football ground to play football. The distance-time graph of his journey from his home to the ground is given in the figure.

  1. What does the graph between points B and C indicate about the motion of Boojho?
  2. Is the motion between 0 to 4 minutes uniform or non-uniform?
  3. What is his speed between 8 and 12 minutes of his journey?

The area under velocity time graph represents ______.


The slope of the distance-time graph indicates the speed.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×