HW #12 Newton's third law

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

The measure of the pull of gravity on an object is ___________________.

• motion
• weight
• speed
• friction

Which of Newtons laws explains why football teams have big, large, fast athletes.

• Frist and second
• second law
• first law
• Third law

A unbalanced force means that an object is 

• zero net force
• motion of an object
• sitting still
• object at rest

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

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

When you hold an apple above your head, how many force pairs act on the apple?

• 1
• 2
• 3
• 4

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 at 9.8 m/sec²    

• 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