Lesson 1 Topic 4 Describing motion and force

the state in which one object's distance from another is changing

• motion

• reference point

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

a place or object used to determine whether or not something is or was in motion

• motion

• reference point

• force

any push or pull

• motion

• reference point

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

a unit used to measure the strength of a force

• force

• newton

• friction

a combination of all the forces acting on something such as an object

• gravity

• net force

• friction

Tags

NGSS.MS-PS2-2

more friction will . . .

• slow something down and/or make it travel less distance

• allow something to move faster and/or a further distance

Tags

NGSS.3-PS2-1

less friction will . . .

• slow something down and/or make it travel less distance

• allow something to move faster and/or a further distance

_____________________ cause motion to occur.

• Unbalanced forces

• Balanced forces

Tags

NGSS.MS-PS2-2

_____________________ will result in no motion occurring.

• Unbalanced forces

• Balanced forces

Tags

NGSS.MS-PS2-2

When forces of an object are balanced, the net force is _______.

• 0

• any positive/negative number but not zero

Tags

NGSS.HS-PS2-1