Mills - Daily Grade - Applied Force and Friction

A(n) ___________________ is a force applied by a person or object onto another object.

• normal force

• applied force

• electric force

• magnetic force

• static force

An applied force can

• change the motion of an object

• slow an object down

• cause an object to move in the same direction as the force

• change the motion of an object

• all of the above

Tags

NGSS.MS-PS2-2

A ___________ is applying a force that causes the object to move away from the object or person that is pushing.

• push

• pull

A _________ is applying a force that causes the object to move towards the object or person that is pulling.

• push

• pull

________________ is a force that opposes motion. It works in the opposite direction of a moving object.

• Gravity

• Magnetism

• Friction

• Normal Force

Friction is a force that causes moving objects to ____________.

• change direction

• accelerate

• move at a steady pace

• slow down

The force of friction exerted by a surface depends on the ______________________ of the surface.

• smoothness

• surface area

• magnitude

• shape

• none of the above

The surface of objects can be coated with liquid to reduce friction.

• True

• False

Only ______________ exert friction.

• liquids

• gases

• solids

• none of the above

Gases and liquids ______________ motion.

• encourage

• resist

• oppose

• attract

Tags

NGSS.MS-PS1-4