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प्रश्न
Negative acceleration is called ______.
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उत्तर
Negative acceleration is called retardation (or) deceleration.
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संबंधित प्रश्न
The velocity-time graph for a uniformly retarded body is a straight line inclined to the time axis with an obtuse angle. How is retardation calculated from the velocity-time graph?
Draw a graph for acceleration against time for a uniformly accelerated motion. How can it be used to find the change in speed in a certain interval of time?
A car travels with uniform velocity of 25 m s-1 for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s. Find:
- The distance which the car travels before the brakes are applied,
- Retardation and
- The distance travelled by car after applying the brakes.
If a body is moving with a constant velocity its acceleration is ______.
From the velocity – time graph given below, calculate deceleration in region BC.
Interpret the following graph:
From the given v-t graph it can be inferred that an object is
What is meant by negative acceleration?
The value of acceleration for a body at rest is ______.
Assertion: A negative acceleration of a body can be associated with speeding up of the body.
Reason: Increase in the speed of a moving body is independent of its direction of motion.
