Uniform Acceleration is a fundamental concept in Class 9 Physics (Motion chapter). It describes a very specific type of motion where a body speeds up in a perfectly regular, predictable way.
Uniform Acceleration: Equal change in velocity in equal time intervals.
a = constant.
Free fall under gravity is the best real-life example (a = 9.8 m/s²).
Uniform Acceleration: When the velocity of an object changes by an equal amount in every equal interval of time, the object is said to be under uniform acceleration.
For an object with initial velocity (u), final velocity (v), acceleration (a), time (t), and distance (s):
Example: A car starts from rest (u=0) and accelerates at 2 m/s². Find its velocity after 5 seconds. → v = u + at = 0 + (2)(5) = 10 m/s
Uniform acceleration is the type of motion where an object's velocity changes by an equal amount in every equal time interval. The acceleration remains constant throughout. A freely falling body is an example.
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