Question

what is acceleration

Answer 1

*Rate of Change of Velocity per unit time is known as acceleration of a body.*

a=(Final velocity-initial velocity)/Time

Answer 2

HEY MATE...✌

✍ Acceleration

• Acceleration is the  rate of change of velocity with time.
• It  is defined as change of velocity of body per unit time.
• SI unit of acceleration is m/s²
• It is Vector Quantity.
• Acceleration = Change in velocity / time

       = Final velocity - Initial velocity / time

       = v - u / t

✍ Types of Acceleration

1. Uniform Acceleration

➤ If the velocity changes in equal amounts in equal time of intervals and the object travels in a straight line than the uniform acceleration take place.

2. Non-uniform Acceleration

➤ If the velocity changes in an equal amount in unequal intervals of time and object travels in straight line then non uniform acceleration take place.

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-: Additional Information :-

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✏ Zero Acceleration -  

• if the change in velocity is zero that is either object is at rest or moving with uniform velocity than zero acceleration will take place.

✏ Positive Acceleration -  

• When velocity of a body increases then positive acceleration take place.
• i.e v > u

✏ Negative Acceleration -  

• When velocity of a body decreases the negative acceleration take place.
• It is in the opposite direction of velocity.
• i.e v < u

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