Forces Equal and Opposite (Action - Reaction)

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

When Ronda Rousey got kicked in the face, What is the interaction pair?

• The foot and the face
• Ronda Rousey and media criticism 
• The foot and the air flow
• Ronda Rousey and the floor

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A bus hits a bug and the bug splatters on the windshield, which force is greater?

• The Bus
• The Bug
• They're the same
• Gravity acting on the bus

Tags

NGSS.MS-PS2-1

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

A book rests on a table.  The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward ?   

• The table presses back up on the book with an equal and opposite force of 20 newtons.
• The table presses back up on the book with a force greater than 20 newtons.
• The table and the book together are accelerating downwards at  9.8 m/sec²
• The inertia of the book holds it up

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

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

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

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

What is not an example of Newton's Third Law?

• Two people pushing against each other with the same force and in opposite directions
• You have to push a heavy ball harder to move as fast as a smaller one
• When you sit on a chair, your body acts as a force on the chair, and the chair acts as another force holding your body up

Tags

NGSS.MS-PS2-1

A bus hits a bug and the bug splatters on the windshield, which acceleration is greater?

• The bus
• The bug
• They are the same
• not possible to determine

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2