Forces and motion

An object's change in position relative to a reference point

• Motion

• Speed

• Velocity

The distance traveled divided by the time interval during which the motion occurred

• Motion

• Speed

• Velocity

Tags

NGSS.MS-PS3-1

The speed of an object in a particular direction

• Motion

• Speed

• Velocity

Tags

NGSS.MS-PS3-1

The rate at which velocity changes over time

• Newton

• Force

• Acceleration

A push or pull exerted on an object

• Newton

• Force

• Acceleration

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

SI unit of force

• Newtons

• lbs

• feet

The combination of all forces acting on an object

• gravitational force

• net force

• zero gravity

Tags

NGSS.MS-PS2-2

A force that opposes motion between two surfaces that are in contact

• friction

• gravity

• mechanical force

A force of attraction between objects that is due to their masses.

• friction

• gravity

• mechanical force

Tags

NGSS.MS-PS2-4

A measure of the gravitational force exerted on an object

• calories

• mass

• weight

Tags

NGSS.MS-PS2-4