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The acceleration vector in a uniform circular motion is towards the center.

Q: What is the direction of the acceleration vector of a person on spinning earth?

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It is a vector. A scalar has only magnitude. A vector has magnitude and direction.Acceleration is a vector because it has magnitude and direction. That's why an object can be said to be accelerating if it has a circular rotation and a constant speed; even though it's speed isn't changing, it's direction constantly is. Displacement (s), velocity (v), and acceleration (a), are vectors because they have both magntude and direction.

A quantity with both magnitude and direction is a Vector quantity.

That simply means that the direction of the acceleration is relevant. For example, if something is moving in the "forward" direction, it isn't the same if we accelerate it forward, backward, or sideways. The results are different.Also, acceleration is calculated as dv/dt, meaning you divide a velocity difference by a time. Since velocity is itself a vector, acceleration is also a vector.

The net force is in the same direction as the acceleration of an object.

Yes it is a vector quantity.

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It is a vector. A scalar has only magnitude. A vector has magnitude and direction.Acceleration is a vector because it has magnitude and direction. That's why an object can be said to be accelerating if it has a circular rotation and a constant speed; even though it's speed isn't changing, it's direction constantly is. Displacement (s), velocity (v), and acceleration (a), are vectors because they have both magntude and direction.

yes, Acceleration is vector quatity!!. Its has both magnitude and direction

Vector Acceleration.

vector

. Velocity Acceleration

A quantity with both magnitude and direction is a Vector quantity.

That simply means that the direction of the acceleration is relevant. For example, if something is moving in the "forward" direction, it isn't the same if we accelerate it forward, backward, or sideways. The results are different.Also, acceleration is calculated as dv/dt, meaning you divide a velocity difference by a time. Since velocity is itself a vector, acceleration is also a vector.

The net force is in the same direction as the acceleration of an object.

Yes it is a vector quantity.

Any falling object has acceleration and velocity vectors in the same direction.

Acceleration is a vector quantity because it has both magnitude and direction.

It's a vector quantity of acceleration, having both magnitude and direction.