Newton's third law

Force depends on:

• gravity

• mass

• acceleration

• mass and acceleration

Tags

NGSS.MS-PS2-2

As the hammer hits the nail downwards, the hammer experiences an upward force exerted by the nail.

• True

• False

Tags

NGSS.MS-PS2-1

Which diagrams show action-reaction pairs. Choose more than 1 answers.

• 
• 
• 
• 

Tags

NGSS.MS-PS2-1

The individual forces making up a Newton’s third

law pair act on different masses to cause different

accelerations according to _____.

• Newton’s second law

• Newton’s first law

• Newton’s third law

• law of conversation of energy

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When an object exerts a downwards force on a

surface there is an equal and opposite Newton’s

third law reaction that exerts a force upwards.

This is called the normal force.

• True

• False

An astronaut becomes untethered during a space-walk and drifts away from the spacecraft. To get back to the ship, she decides to throw her tool kit away. The spaceship is on the left. In which direction should she throw the tool kit?

• Upwards

• Downwards

• Leftwards

• Rightwards

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

F is the force of object A exerting on object B. Considering F as the action force, then the reaction force exert on which object?

• Object A

• Object B

Tags

NGSS.MS-PS2-1

SI unit of force is

• Newton.kilogram

• Kilogram

• Newton

• Meter

Newton's Third Law States...

• Objects in motion stay in motion and objects at rest stay at rest
• Force is equal to mass times acceleration
• For each action there is an equal and opposite reaction

Tags

NGSS.MS-PS2-1

A player throws a ball. The action force is the player impact on the ball. The reaction force is...

• The force of the ball impact on the player
• The force of the grip of the ball
• The celebration the player is thinking of

Tags

NGSS.MS-PS2-1