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प्रश्न
Assertion: The accelerated motion of an object may be due to change in magnitude of velocity or direction or both of them.
Reason: Acceleration can be produced only by change in magnitude of the velocity. It does not depend the direction.
विकल्प
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If assertion is false but reason is true.
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उत्तर
If assertion is true but reason is false.
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संबंधित प्रश्न
Give one example of the following motion:
Uniform retardation
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 ?
When is the acceleration due to gravity negative?
Give an example of an accelerated body, moving with a uniform speed.
A cyclist driving at 5 ms−1, picks a velocity of 10 ms−1, over a distance of 50 m. Calculate
- acceleration
- time in which the cyclist picks up above velocity.
A car traveling at 60 km/h, stops on applying brakes in 10 seconds. What is its acceleration?
Write the SI unit of acceleration and retardation.
Can you use the relation [B1]?
The acceleration of the body that moves with a uniform velocity will be ______.
If a moving body comes to rest, then its acceleration is ______.
