Forces and Newton's First Law

Describe what will happen to the truck in this picture

• Accelerate

• Decelerate

• Constant speed

• Stationary

Tags

NGSS.MS-PS2-2

Describe what will happen to the truck in this picture

• Accelerate

• Decelerate

• Constant speed

• Stationary

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

You push on a car and it does not move.  What is true about the inertia?

• The inertia is changing

• The inertia of the car is too great 

• The inertia of the person is equal to the car

• There is not inertia because of no movement

Momentum is related to Newton's first law.

• True

• False

Tags

NGSS.HS-PS2-2

8 N to the left , and 4 N to the right. Find the net force. Is this balanced? 

• 12 N Right  No

• 4 N Left  No

• 12 N Right  Yes

• 4 N Left  Yes

Tags

NGSS.MS-PS2-2

The Law of Inertia

• Newton's
  1st
  Law of Motion

• Newton's
  2nd
  Law of Motion

• Newton's
  3rd
  Law of Motion

What is Newton's 1st Law of Motion?

• An object at rest will not stay at rest if nothing is doing anything to the object

• An object at rest will stay at rest until an opposite force acts upon it

• An object is going to just roll forever with a large force acting upon it

• An object rolls down the hill because of friction

What is Newton's First Law known as? The Law of

• Friction

• Mass

• Inertia

• Gravity

An object at rest will remain at rest unless it is acted upon by unbalanced _____________.

• momentum

• forces

• speeds

• velocity

Tags

NGSS.MS-PS2-2

Newton's First Law says that "Objects in motion stay in motion and objects at rest stay at rest unless..."

• acted on by an unbalanced force.

• gravity happens.

• nothing else happens.

• acted on by a balanced fore.