Newton's Toy Box #3 (Act. 9-13)

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

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

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 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.HS-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

According to Newton's _____ Law of Motion, when a hammer strikes and exerts force on a nail, the nail exerts an equal force back on the hammer.

• First
• Second
• Third
• Fourth

Tags

NGSS.MS-PS2-1

How many Laws of Motion are there?

• 1
• 2
• 3
• 4

Who was the scientist who gave us the Laws of Motion?

• Sir Isaac Newton
• Albert Einstein
• Galileo Galilei
• Aristotle

Tags

NGSS.HS-PS2-1

When gravity pulls a skydiver towards the Earth, the reaction force is...

• The skydiver pulling the Earth.
• Air resistance
• The weight of the skydiver
• Drag

Tags

NGSS.MS-PS2-1

If you pushed 2 objects of different mass with the same force, which will accelerate more?

• The object with less mass
• The object with more mass
• they will accelerate the same
• neither will move

Tags

NGSS.MS-PS2-2