When is acceleration of a body is negative.Give 2 example of situation when body is negative and positive?
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When an object is speeding up, the acceleration is in the same direction as the velocity. Thus, this object has a positive acceleration. In Example B, the object is moving in the negative direction (i.e., has a negative velocity) and is slowing down.
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Acceleration can be defined as the rate of change of velocity.. It is a vector quantity ..Its SI unit is meter/second^2.
When the velocity of an object decreases,then the object is said to be moving with negative acceleration..
An example of negative acceleration would be a car breaking or decelerating.
A ball thrown vertically upwards is moving with a negative acceleration as the velocity decreases with time..
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