Advertisements
Advertisements
प्रश्न
When will you say a body is at non-uniform acceleration?
Advertisements
उत्तर
- A body is said to have non-uniform acceleration if it travels in a straight path in such a way that its velocity changes at a non-uniform rate.
- i.e., the velocity of a body increases or decreases in unequal amounts in an equal interval of time.
APPEARS IN
संबंधित प्रश्न
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.
Fill in the following blank with suitable word :
Velocity is the rate of change of……………………… It is measured in.............. .
Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes is 2.5 m/s2.
Derive the formula : v = u + at, where the symbols have usual meanings.
For a uniformly retarded motion, the velocity-time graph is _____________
When is the negative acceleration?
Multiple choice Question. Select the correct option.
The speed of a car reduces from 15 m/s to 5 m/s over a displacement of 10 m. The uniform acceleration of the car is :
How can you find the following?
Velocity from acceleration – time graph.
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Area under a v – t graph represents a physical quantity which has the unit
