Newton's Laws

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar

• Equal and opposite

• Equal and different

• Greater and opposite

Tags

NGSS.MS-PS2-1

Newton's _____ Law of Motion means that for every force there is a reaction force that is equal in size, but opposite in direction.

• First

• Second

• Third

• Fourth

Tags

NGSS.MS-PS2-1

You hit a wall with a stick.  The equal but opposite reaction is _____

• the wall pushes against you

• the stick pushes against you

• you push against the stick

• the wall pushes against the stick

Tags

NGSS.MS-PS2-1

What is Newton's Third Law?

• Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force

• Force = mass x acceleration

• For every action there is an equal and opposite reaction

Tags

NGSS.MS-PS2-1

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

• The cannon moving forward

• The cannon moving backwards

• The cannonball moving backwards

• The cannonball moving forward

Tags

NGSS.MS-PS2-1

A student throws a ball against a wall.  Which statement best explains what is happening in the picture.

• The energy of the ball is destroyed as it strikes the wall.

• The energy of the ball becomes negative as it hits the wall.

• The force from the wall on the ball is equal and opposite to the force from the ball on the wall.

• The force exerted by the ball on the wall is greater than the force exerted by the wall on the ball.

Tags

NGSS.MS-PS2-1

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.

• Every mass exerts a force on every other mass.

• An object at rest tends to stay at rest.

• Friction opposes the motion of an object.

Tags

NGSS.MS-PS2-1

"For every action, there is an equal and opposite reaction."

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

Tags

NGSS.MS-PS2-1

Lauren and Riley are discussing Newton's Third Law. Can you help them by choosing the correct statement?

• An object in motion stays in motion.

• The acceleration of an object is proportional to the net force acting on it.

• For every action, there is an equal and opposite reaction.

• The force of gravity is inversely proportional to the square of the distance.

Tags

NGSS.MS-PS2-1

Which of the following scenarios is an example of Newton's Third Law of Motion?

• A ball rolling down a hill speeds up.

• A book resting on a table.

• A rocket launching into space.

• An apple falling from a tree.

Tags

NGSS.MS-PS2-1