Newton's First Law

Objects at rest remain at rest and objects traveling at a steady rate in a straight line continue that way until a _________acts on them.  

• force

• velocity

• inertia

• acceleration 

Tags

NGSS.MS-PS2-2

What kind(s) of objects have inertia?

• all objects with mass

• only objects at rest

• only objects in motion

• only objects whose motion is being changed

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

What type of friction acts on an object that is not yet moving?

• Static

• Dynamic

• kinetic

• Rolling

The wheels on a moving skateboard most likely experience ____________.

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction

What is Newton's first law known as. The law of

• Gravity

• Inertia

• Friction

• Force

Newton's first law explains some common tendencies of bodies at rest and in motion

• Yes

• No

When a moving bus is suddenly stopped, the passengers tend to fall forward. This is because of

• Inertia of rest

• Friction

• Inertia of motion

• Weight

A body in motion doesn't need an external unbalanced force for it to continue in uniform motion

• True

• False

Which type of force will cause a change in objects motion

• Gravity

• No force

• Balanced force

• Unbalanced force

Tags

NGSS.MS-PS2-2