Which statement about acceleration is correct?

Which statement about acceleration is correct?

Which statement about the acceleration of an object is correct? The acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object.

What are 3 things acceleration does?

There are three ways an object can accelerate: a change in velocity, a change in direction, or a change in both velocity and direction.

How do you describe acceleration?

acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down. Acceleration is defined as the change in the velocity vector in a time interval, divided by the time interval. …

What are two facts about acceleration?

Answers: Acceleration is the rate at which an object changes its velocity. Acceleration has to have speed and direction and a rate of change of speed. Constant acceleration is when an object is changing its velocity at the same rate each second.

Is acceleration a vector quantity?

vector, in physics, a quantity that has both magnitude and direction. For example, displacement, velocity, and acceleration are vector quantities, while speed (the magnitude of velocity), time, and mass are scalars.

What does uniform acceleration mean?

Translation: If an object’s speed (velocity) is increasing at a constant rate then we say it has uniform acceleration. The rate of acceleration is constant. If a car speeds up then slows down then speeds up it doesn’t have uniform acceleration. uniform acceleration.

Why is acceleration a vector?

Acceleration is the time rate at which a velocity is changing. Because velocity has both magnitude and direction, it is called a vector quantity; acceleration is also a vector quantity and must account for changes in both the magnitude and direction of a velocity.