Newton's Three Laws

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 

• 40N 

• 10N 

• 70N

Tags

NGSS.MS-PS2-1

Determine the accelerations that result when a 12-N net force is applied to a 3-kg object. 

• 3 m/s

• 4 ft/s 

• 13 m/s

• 4 m/s 

Tags

NGSS.MS-PS2-2

For every action there is a equal and opposite...

• action

• movement 

• re-action 

• Newtons law of inertia 

Tags

NGSS.MS-PS2-1

When an object resists change, like a body in a turning car, it is called ________________.

• inertia

• force

• friction

• drag force

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

• The cannon moving forward

• The cannonball moving forward

• The cannon moving backward

• The cannonball moving backward

Tags

NGSS.MS-PS2-1

Which law explains why when you put a book on a table the table pushes on the book

• 3rd law

• 4th law

• 1st law

• 2nd law

Tags

NGSS.MS-PS2-1

Why is the net force 0 in the image?

• Because the elephants are the same size

• Because they are both pulling the same amount of force in opposite directions

• Because they are elephants

• Because they are pulling away from each other.

Tags

NGSS.MS-PS2-1

267.5 N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4.2 m/s2. What is the mass of the chair?

• 26.75 kg

• 63.69 kg 

• 263.3 kg 

• 1123.5 kg

Tags

NGSS.MS-PS2-2

Which law is this picture illustrating?

• Law 1

• Law 2

• Law 3

Tags

NGSS.MS-PS2-2

Newton's Third Law

• For every action there is an equal and opposite reaction

• An object with more mass needs more force to accelerate

• An object will stay at rest until something else moves it

Tags

NGSS.MS-PS2-1