Forces Review Video

What is a force?

• A) A type of energy

• B) A push or pull acting on an object

• C) The weight of an object

• D) The speed of an object

What unit is force measured in?

• A) Kilograms (kg)

• B) Meters per second (m/s)

• C) Newtons (N)

• D) Joules (J)

What is a contact force?

• a) A force that acts at a distance without touching the object

• b) A force that requires physical interaction between objects

• c) A force caused by magnetic attraction

• d) A force that only acts on stationary object

Which of the following is an example of a non-contact force?

• a) Friction
  

• b) Gravity
  

• c) Tension
  

• d) Air resistance