Quiz 2 Classical Mechanics

Which of the following is not a force?

• Applied force

• Magnetic force

• Mass force

• Weight

Is air resistance a force?

• Yes

• No

Which of the following is a non-contact force?

• Tension force

• Normal force

• Drag force

• Gravitational force

What is a scalar?

• A quantity that has only magnitude

• A quantity that has both magnitude and force

• A quantity that has only direction

• A quantity that has both magnitude and direction

A person who walks 5 km East and then 8 km East, his displacement is?

• 8 km

• 13 km

• 3 km

• 5 km

Velocity is a

• Scalar

• Vector

Which forces are acting on the egg during the egg drop experiment?

• Tension force

• Pushing force

• Gravity force

• Pulling force

Which of the following is not a type of friction?

• Dynamic friction

• Static friction

• Kinetic friction

• Normal friction

The smoother the surface, the better the friction.

• True

• False

An aircraft fuselage skin is design to have low skin friction to reduce air resistant drag during flight.

• True

• False