MOTION IN ONE DIMENSION

A vector quantity is a large quantity, while scalar quantity is a small quantity.

A scalar quantity describes magnitude, while a vector quantity does not.

A vector quantity is described with a direction and a scalar is not.

Scalar quantities are path dependent quantities and vector quantities are not.

A scalar quantity depends only on the initial and final values of the quantity; this is not the case for vector quantity.

The quantity 20 m/s north describes speed and, as such is a scalar quantity.

The quantity 9.8 m/s is an acceleration value and, as such, is a vector quantity.

Tags

NGSS.HS-PS2-1

Acceleration is a vector quantity.

Accelerating objects must change their speed.

Accelerating object must change their velocity.

Tags

NGSS.MS-PS2-2