Forces review

What is a force?

• something moving

• a push or pull on an object

• potential or kinetic energy in an object

• something that only a Jedi has

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

the combination of all the forces acting on an object

• total forces

• balanced forces

• unbalanced forces

• net force

Tags

NGSS.MS-PS2-2

a net force of zero means...

• forces are balanced

• forces are unbalanced

• a push

• a pull

What causes an object to accelerate (change speed or direction)?

• a balanced force

• an unbalanced force

• any force

• a gas pedal

Tags

NGSS.MS-PS2-2

What causes an object to stop moving?

• a balanced force

• an unbalanced force

• any force

Tags

NGSS.MS-PS2-2

What causes an object to start moving?

• a balanced force

• an unbalanced force

• any force

Tags

NGSS.3-PS2-1

are these forces balanced or unbalanced?

• balanced

• unbalanced

are these forces balanced or unbalanced?

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

are these forces balanced or unbalanced?

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

What is the net force?

• 9 N

• 9 N left

• 1 N right

• 1 N left

Tags

NGSS.MS-PS2-2