Forces Intro Review

What is a force?

• A push or a pull

• A push

• A pull

• Only seen in Star Wars

A force must have

• Magnitude

• Direction

• Magnitude and direction

• Movement

What units do we measure force in?

• Joules (J)

• Newton's (N)

• Meters per second (m/s)

• Watts (W)

Which of the following is NOT a force?

• Magnetic

• Gravitational

• Applied

• Energy

What is a contact force?

• A force when two objects do not physically touch each other

• A force when two objects are physically touching each other

• A force that causes two objects to collide

• All forces are contact forces

Which of the following is a contact force?

• Gravitational force

• Electric force

• Frictional force

• Magnetic force

Which of the following is a non-contact force?

• Applied

• Gravitational

• Tension

• Buoyant