Advertisements
Advertisements
Question
Write down the type of motion of a body in each of the following distance time-graph.
Advertisements
Solution
(i) The body is showing decreasing velocity that is retardation.
(ii) Initially, the body is showing retarded motion and then an accelerating one.
(iii) The body is in the state of rest.
APPEARS IN
RELATED QUESTIONS
Given figure shows the distance-time graph of three objects A, B and C. Study the graph and answer the following questions:
- Which of the three is travelling the fastest?
- Are all three ever at the same point on the road?
- How far has C travelled when B passes A?
- How far has B travelled by the time it passes C?
The speed-time graph for a car is shown in the following figure:
- Find how far the car travels in the first 4 seconds. Shade the area on the graph that represents the distance travelled by the car during the period.
- Which part of the graph represents uniform motion of the car?
Fill in the following blank with suitable word :
The slope of a distance-time graph indicates ………………….. of a moving body.
Name the two quantities, the slope of whose graph give speed .
A cyclist is travelling at 15 m s-1. She applies brakes so that she does not collide with a wall 18 m away. What deceleration must she have ?
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?
What are the uses of the graphical study of motion?
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 |
The slope of the distance-time graph indicates the speed.
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.
