Advertisements
Advertisements
Question
Diagram shows a velocity – time graph for a car starting from rest. The graph has three sections AB, BC, and CD.
In which section, car has a zero acceleration?
Advertisements
Solution
Car has zero acceleration in section BC because there is no change in velocity from B to C.
APPEARS IN
RELATED QUESTIONS
Fill in the following blank with suitable word :
In a speed-time graph, the area enclosed by the speed-time curve and the time axis gives the…………….. by the body.
From the displacement-time graph of a cyclist given below in the Figure, find The time after which he reaches the starting point .
From the velocity – time graph given below, calculate Distance covered in the region ABCE.
From the velocity – time graph given below, calculate Average velocity in region CED.
The area of the right triangle under a speed-time graph is 500 m, in a time interval of 20 s. What is the speed of the body? Is the motion uniform or non-uniform?
Given below are the speed -time graphs. Match them with their corresponding motions :
 |
(a) Uniformity retared motion |
 |
(b) Non-uniformity acceleration |
 |
(c) Non-uniform motion |
 |
(d) uniform motion |
Draw distance-time graph to show:
Uniform velocity
Figure shows the distance-time graph of three students A, B and C. On the basis of the graph, answer the following :
How far did B travel between the time he passed C and A?
(i) In speed time graph uniform motion is given by a straight line parallel to x axis so figure (a) denotes the uniform motion.
(ii) In speed time graph motion with increasing speed is shown by straight line with positive slope so figure (c) denotes the motion with speed increasing.
(iii) In speed time graph motion with decreasing speed is shown by straight line with negative slope so figure (b) denotes the motion with speed decreasing.
(iv) In speed time graph motion with oscillating speed is shown by zigzag line so figure {d) denotes the motion with speed oscillating.
A straight line parallel to the x-axis in the velocity-time graph represents the object moving in ______.
