Physics
Draw the acceleration-time graph for a body moving with :
(a) Uniform velocity
(b) Free falling body
and give an example of each.
Motion in One Dimension
70 Likes
Answer
(a) Below is the acceleration-time graph for a body moving with uniform velocity:
In the above figure, if the body is moving with a uniform velocity, the acceleration is zero. Hence, acceleration-time graph in such a case is a straight line coinciding with time axis.
An example of a body moving with uniform velocity is a car travelling on a straight and flat road with a constant speed of 60 km/hour (or any other constant speed).
(b) Below is the acceleration-time graph for a free falling body:
In the figure given above, the straight line AF, represents the acceleration-time graph for a body falling freely with uniform acceleration of 10 ms-2.
For example, a body falling freely under gravity moves with a uniform acceleration of 9.8 ms-2 (or nearly 10 ms-2).
Answered By
48 Likes
Related Questions
A body falls freely from a certain height. Show graphically the relation between the distance fallen and square of time. How will you determine g from this graph?
Draw the velocity-time graph for a body moving with —
(a) uniform velocity,
(b) uniform acceleration.
and give one example of each and also calculate the displacement and acceleration.
Figure (a) shows the displacement-time graph for the motion of a body. Use it to calculate the velocity of body at t = 1 s, 2 s and 3 s, then draw the velocity-time graph for it in Figure (b).
Following table gives the displacement of a car at different instants of time.
Time (s) 0 1 2 3 4 Displacement (m) 0 5 10 15 20 (a) Draw the displacement-time sketch and find the average velocity of car.
(b) What will be the displacement of car at (i) 2.5 s and (ii) 4.5 s ?