Newton's Laws of Motion

What idea best explains why the coin sitting on top of the ring falls directly into the jar below?

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Newton's Law of Universal Gravitation

Tags

NGSS.MS-PS2-4

Student X pulls the crate to the right. The reaction force to this pull is ---.

• the crate pushing down on the floor

• the crate pulling left on Student X

• the floor pulling left on the crate with friction

• the force of gravity on the crate

Tags

NGSS.MS-PS2-1

What direction is the fridge moving?

• right

• left

• not moving

• cannot tell from the information given

Acceleration is ___.

• a change in direction

• a change in speed

• a change in direction and speed

• Any of the above

A measure of how much matter an object has is ___.

• weight
• gravity
• mass
• volume

What is the tendency of an object to resist a change in motion?

• acceleration

• motion
• inertia
• gravity
• net force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

If you increase the net force on an object, its acceleration ___.

• decreases
• stays the same
• also increases
• stops

Tags

NGSS.MS-PS2-2

There is an inverse relationship between acceleration and ---.

• force

• mass

• velocity

• isolated

• volume

An object with a mass of 6.0 kg accelerates 4.0 m/s² when an unknown net force is applied to it. What is the amount of the net force?

• 240 N
• 24 N
• 2.4 N
• 0.24 N
• 24 m/s²

Tags

NGSS.MS-PS2-2

If it takes 6.25 s for a 336-N net force to accelerate a cart from rest to 8.75 m/s, the mass of the cart must be ---.

• 1.40 kg

• 355 kg

• 470 kg

• 240 kg

• 38.4 kg

Tags

NGSS.HS-PS2-1