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प्रश्न
If a body is moving with a constant velocity its acceleration is ______.
विकल्प
stationary
zero
changing
constant
displacement
velocity
speed
acceleration
stationary but not zero
increases
उत्तर
If a body is moving with a constant velocity its acceleration is zero.
संबंधित प्रश्न
A space craft flying in a straight course with velocity of 75 km s-1 fires its rocket motors for 6.0 s. At the end of this time its speed is 120 km s-1 in the same direction.
Find
(i) The space craft's average acceleration while the motors were firing
(ii) The distance travelled by the space craft in the first 10 s after the rocket motors were started, the motors being in action for only 6 s.
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Sketch the shape of the velocity-time graph for a body moving with:
Uniform acceleration.
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State whether true or false. If false, correct the statement.
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What is meant by negative acceleration?
m/s2 is the unit of ______.
A quantity has a value of 16ms-2. It is the ______.
If a moving body comes to rest, then its acceleration is ______.
The value of acceleration for a body at rest is ______.
