axebiz912xo2

2023-01-26

Which of the following is not an example of accelerating motion?
An object attaining a velocity of 10 m/s after starting from rest.
An object under free fall.
An object moving with a constant velocity.
An object moving with a constant speed but changing its direction.

Jerimiah Short

The change in velocity per unit of time is what is meant by the vector quantity known as acceleration. When an item's motion varies in speed and/or direction, the object is said to be accelerating. Let's look at the choices: Obviously, speed varies when an item accelerates to a speed of 10 m/s after starting off at rest; during free fall, the body experiences an acceleration from gravity.
An item travelling at a constant speed but changing its direction causes the body's velocity to vary and puts the body under acceleration. If a body has constant velocity, change in velocity is zero, and the body is not accelerating. Centripetal acceleration is yet another name for this.

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