Science Ch. 2 Quiz

True/False: Friction can occur between two separated and unmoving surfaces.

• true

• false

If someone pushes a book with a force of 5N and the book doesn't move, what is the net force exerted by the book?

• 5N

• Less than 5N

• greater than 5N

• 0 N

Tags

NGSS.MS-PS2-2

True/False: A moving object stops with no forces acting on it.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

True/False: An object accelerates as it's speed increases.

• True

• False

Tags

NGSS.MS-PS2-2

True/False: The difficulty of stopping a moving object is referred to as momentum.

• True

• False

Tags

NGSS.HS-PS2-2

An object in motion remains in motion because of ____________

• friction

• gravity

• inertia

• velocity

What is the SI unit for mass?

• kilogram

• seconds

• hours

• meters

What is the force of gravity on an object?

• weight

• mass

• density

• volume

Tags

NGSS.MS-PS2-4

___________ is the combo all of the forces on an object.

• net force

• balanced force

• unbalanced force

• frictional force

Tags

NGSS.MS-PS2-2

After attempting to stop, it takes a long time for a heavy object to come to a complete stop because of what?

• momentum

• gravity

• centripetal force

• friction

Tags

NGSS.MS-PS3-5