Advertisements
Advertisements
प्रश्न
What can you say about the motion of a body if:
its velocity-time graph is a straight line ?
Advertisements
उत्तर
The body has a uniform acceleration if its velocity-time graph is a straight line. If the straight line is parallel to the time axis then the magnitude of uniform acceleration is zero.
APPEARS IN
संबंधित प्रश्न
Show by using the graphical method that: `s=ut+1/2at^2` where the symbols have their usual meanings.
Draw displacement – time graph for the following situation:
When a body is stationary.
Diagram shows a velocity – time graph for a car starting from rest. The graph has three sections AB, BC, and CD.
Is the magnitude of acceleration higher or lower than that of retardation? Give a reason.
A ball is thrown up vertically and returns back to thrower in 6 s. Assuming there is no air friction, plot a graph between velocity and time. From the graph calculate
- deceleration
- acceleration
- total distance covered by ball
- average velocity.
A body at rest is thrown downward from the top of the tower. Draw a distance – time graph of its free fall under gravity during the first 3 seconds. Show your table of values starting t = 0 with an interval of 1 second, (g = 10 ms−2).
How will you use a speed-time graph to find whether the acceleration of the body is uniform or not?
Draw the following graph:
Speed versus time for a uniformly retarded motion.
Draw velocity-time graph to show:
Zero acceleration
Write a sentence to explain the shape of graph.
From the v-t graph, ______ can be calculated.
The velocity-displacement graph describing the motion of a bicycle is shown in the figure.
The acceleration-displacement graph of the bicycle's motion is best described by:
