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प्रश्न
Fill in the following blank with suitable word :
If a body moves with uniform velocity, its acceleration is ..............
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उत्तर
If a body moves with uniform velocity, its acceleration is zero .
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संबंधित प्रश्न
A bus decreases its speed from 80 km h−1 to 60 km h−1 in 5 s. Find the acceleration of the bus.
A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h−1 in 10 minutes. Find its acceleration.
What term is used to denote the change of velocity with time ?
What is meant by the term acceleration ? State the SI unit of acceleration.
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
Describe the motion of a body which is accelerating at a constant rate of 10 m s–2. If the body starts from rest, how much distance will it cover in 2 s ?
A cheetah starts from, rest, and accelerates at 2 m/s2 for 10 seconds. Calculate :
(a) the final velocity
(b) the distance travelled.
Derive the formula : v = u + at, where the symbols have usual meanings.
Which of the following could not be a unit of acceleration?
When will you say a body is at uniform acceleration?
