Advertisements
Advertisements
प्रश्न
Define acceleration.
उत्तर
Acceleration of a body is rate of change of its velocity with respect to the time.
APPEARS IN
संबंधित प्रश्न
A truck running at 90 kmh−1, is brought to rest over a distance of 25 m. Calculate the retardation and time for which brakes are applied.
A motor bike running at 90 kmh−1 is slowed down to 18 kmh−1 in 2.5 s. Calculate
- acceleration
- distance covered during slow down.
The acceleration of a body is 8.5 ms-2. What does this statement mean?
Can you use the relation [B1]?
Correct your friend who says that acceleration gives the idea of how fast the position changes.
Negative acceleration is called ______.
If a moving body comes to rest, then its acceleration is ______.
If a body starts from rest, what can be said about the acceleration of the body?
Assertion: When a body is subjected to a uniform acceleration, it is always moving in a straight line.
Reason: Motion may be straight-line motion or circular motion.
What is the difference between uniform acceleration and non–uniform acceleration?
