Question

What is acceleration ? Answer in 60-70 words ....
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Answer 1

$\huge\bf\red{Acceleration-.}$

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.

⚫How Can acceleration be calculated?

☑️Rearrange the equation F = ma to solve for acceleration. You can change this formula around to solve for acceleration by dividing both sides by the mass, so: a = F/m. To find the acceleration, simply divide the force by the mass of the object being accelerated.

⚫What are the 3 types of acceleration?

☑️To my knowledge there are three types of acceleration when a body (e.g. a rod) is moving in a circle about an axis. These are: Angular acceleration : this is the rate of change of angular velocity.

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Answer 2

When the velocity of the object change it is said to be accelerating.

Acceleration is the rate of change of velocity with time.

It is denoted by ( a)

The SI unit of acceleration is m/s2

Acceleration = change in velocity / time taken.

a = v - u/ t

Where,

a = acceleration

v = final velocity

u = initial velocity

t = time.

Acceleration occurs anytime an object's speed increase or decrease, or it change direction.