explain the following type of motion with one example of each:
(a) acceleration is postive
(b) acceleration is negative
(c) acceleration is zero
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a) positive Acceleration is an increasing speed or increasing magnitude of velocity of moving body.
Ex-An aeroplane acceleration for take off.
Acceleration a car to increase it speed.
b) when an object is slowing down the acceleration is the opposite direction as the velocity. This object has a negative acceleration.
Ex- The object is moving the negative direction.
c) Zero acceleration is an acceleration just with zero magnitude. Motion with constant velocity is just a special case of motion with uniform.
Ex- ?
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