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प्रश्न
The acceleration of a body is 8.5 ms-2. What does this statement mean?
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उत्तर
If a body has acceleration of 8.5 ms-2 then it means its velocity is increasing at a rate of 8.5 ms-1 per second.
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संबंधित प्रश्न
Figure given below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD.

Which part of graph shows motion with uniform
(a) velocity (b) acceleration (c) retardation ?
Draw velocity – time graph for the following situation:
When a body is moving with variable velocity and variable acceleration.
From the diagram given below, calculate acceleration.

A racing car, initially at rest, picks up a velocity of 180 kmh−1 in 4.5 s. Calculate
- acceleration
- distance covered by the car.
A motor bike running at 5 ms−1, picks up a velocity of 30 ms−1 in 5s. Calculate
- acceleration
- distance covered during acceleration.
Define acceleration.
What does a positive acceleration mean?
Sketch the shape of the velocity-time graph for a body moving with:
Uniform acceleration.
When an object undergoes acceleration ______.
When a body is said to be in
- uniform acceleration
- non–uniform acceleration?
