Newton's 3rd law

When a heavy football player and a light one run into each other, who exerts more force?

• The heavy one
• The light one
• They are equal
• there is no such thing as force

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

Tags

NGSS.MS-PS2-1

Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released.  How fast does the heavier cart roll compared with the lighter cart?

• twice as fast
• the same
• half as fast

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 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

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

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

Friction and gravity are both examples of a force.

• True
• False

Tags

NGSS.HS-PS2-4

Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released.  How fast does the lighter cart roll compared with the heavier cart?

• twice as fast
• the same
• half as fast

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2