Question

what is acceleration? how can we know that a body is acceleration??

Answer 1

in physics the acceleration is the rate of change of a velocity which means that if the speed or the direction of the moving object it changes it means that it is accelerating when a fan is rotated along a fixed Centre its speed is same but its direction is changed at every time we can say that it is accelerating if we change the direction of a moving object or its speed than earth changed comes in its acceleration

Answer 2

Heya!
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➰Accleration is defined as the Rate of Change of Velocity with respect to time .

➰ A = dv/dt

➰It is a Vector Quantity i,e it has both Magnitude and Direction .

➰Its SI unit is m/s²


➰When Acceleration acts opposite to the direction of Motion , it's called Retardation or Deceleration .

♦Acceleration is of two types :

Uniform Acceleration

Non Uniform Acceleration.



➡A Body is said to be accelerated if it changes its Velocity with Respect to time !


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