multiple forces

What is a force?

• A push or pull acting on an object

• A push only

• A pull only

• a ball

Tags

NGSS.MS-PS2-1

What is a balanced force?

• two forces

• When the forces exerted on opposite sides of an object are not equal in strength

• When the forces exerted on opposite sides of an object are equal in strength

• When one force is greater than the other

What is an unbalanced force?

• two forces

• When the forces exerted on opposite sides of an object are not equal in strength

• When the forces exerted on opposite sides of an object are equal in strength

• When both forces are equal

Tags

NGSS.MS-PS2-2

If forces are balanced that means an object is at rest. You can exert any kind of force to make the object move, which will make the forces unbalanced.

• true

• false

If forces are balanced that means an object is moving. You can exert any kind of force to make the object move, which will make the forces balanced

• true

• false

Tags

NGSS.MS-PS2-2

is always pulling objects down on Earth

• friction

• space

• ground

• gravity

Tags

NGSS.5-PS2-1

is what makes objects come back down when it is thrown in the air

• space

• gravity

• A hard throw

• air

Tags

NGSS.MS-PS2-4

Space has no gravity

• true

• false

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

An object is at rest until a

• it becomes unbalanced

• it becomes balanced

• no other force is being exerted

• greater force is exerted on the object

Tags

NGSS.MS-PS2-2

Why does it take more force to move a baseball than a piece of paper?

• because the paper is heavier than the baseball

• because the baseball is heavier than the paper

• they weigh the same amount

• it does not take more force to move a baseball

Tags

NGSS.MS-PS2-2