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प्रश्न
When will you say a body is at uniform acceleration?
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उत्तर
- A body is said to have uniform acceleration if it travels in a straight path in such a way that its velocity changes at a uniform rate.
- i.e., the velocity of a body increases or decreases by equal amounts in an equal interval of time.
संबंधित प्रश्न
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What conclusion can you draw about the velocity of a body from the displacement-time graph shown below :
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(a) the final velocity
(b) the distance travelled.
Explain the meaning of the following equation of motion :v = u + at, where symbols have their usual meanings.
Derive the formula : v = u + at, where the symbols have usual meanings.
A train starting from stationary position and moving with uniform acceleration attains a speed of 36 km per hour in 10 minutes. Find its acceleration.
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Multiple choice Question. Select the correct option.
At the maximum height, a body thrown vertically upwards has :
How can you find the following?
Velocity from acceleration – time graph.
A packet is dropped from a stationary helicopter, hovering at a height ‘h’ from ground level, reaches the ground in 12s. Calculate
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- final velocity of packet on reaching the ground. (Take g = 9.8 ms−2)
