Motion, Forces, and Newton's First Law of Motion

An object at rest will _______ if no outside forces are applied.

• Stay at rest
• Increase Velocity
• Decrease Mass

Tags

NGSS.MS-PS2-2

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

• True
• False

Tags

NGSS.MS-PS2-2

The SI units for force are...

• Kilograms
• Newtons
• Meters per second
• Pounds

The ______of an object tends to make the object resist being set into motion.

• mass
• force
• motion
• unbalanced forces 

Tags

NGSS.MS-PS2-2

Without a force to stop or slow a coasting object, the object will coast forever in a ______ line. 

• blue
• red
• straight
• vertical 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

_________ opposes the motion of one object moving past another. 

• friction 
• velocity
• unbalanced forces
• simple machines 

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

An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?

• slowing motion in a straight line
• accelerating motion in a straight line
• constant motion in a straight line
• constant motion in an unpredictable direction

Tags

NGSS.MS-PS2-2

friction is a force that acts 

• in the same direction as the motion
• opposite to the direction of the motion
• opposite to the applied forces
• the same direction as the applied force

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

Tags

NGSS.HS-PS2-1