Forces and Newton's Laws

A ______ is a push or pull on an object.

• force

• speed

• acceleration

• velocity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

• weak

• strong

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

According to Newton’s second law of motion, force is equal to mass times ______________________.

• inertia

• weight

• acceleration

• direction

Tags

NGSS.HS-PS2-1

The tendency of an object to resist changes in its motion is...

• inertia
• force
• acceleration
• velocity

Tags

NGSS.MS-PS2-2

The force that opposes motion between two surfaces in contact with each other.

• inertia
• friction
• momentum
• gravity

The combination of all the forces acting on an object is the...

• net force
• action force
• reaction force
• balance force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When two equal forces act in opposite directions on an object, they are called ______________________.

• frictional force

• balanced force

• centripetal force

• gravitational force

When an unbalanced force acts on an object, the force ______________________.

• changes the motion of the object

• is cancelled by another force

• does not change the motion of an object

• is equal to the weight of the object

Tags

NGSS.MS-PS2-2

An automobile you are riding in suddenly stops, but you continue to go forward.

• Newton's
  1st
  Law of Motion
• Newton's
  2nd
  Law of Motion
• Newton's
  3rd
  Law of Motion

You push against a wall and the wall is pushing back on you.

• Newton's
  1st
  Law of Motion
• Newton's
  2nd
  Law of Motion
• Newton's
  3rd
  Law of Motion

Tags

NGSS.MS-PS2-1