Chapter 8 Test

When a person pushes a box across the floor with their hands, what kind of force is being used?

• Applied force

• Gravitational force

• Magnetic force

• Buoyant force

The concept of inertia is based on which law of motion?

• The first law of motion

• The second law of motion

• The third law of motion

A person riding a scooter pushes their foot back to make themself go forward

• First law

• Second law

• Third law

If you kick a soccer ball and a balloon, the soccer ball travels farther

• First law

• Second law

• Third law

For each of the following scenarios, choose the one law of motion that most directly explains what is happening. Put that letter on that question on your scantron. 18) A comet travels millions of miles through space without stopping

• First law

• Second law

• Third law

The measure of how fast something is moving and what direction it’s moving

• Velocity

• Speed

• Momentum

A ball rolling along the ground has

• Inertia only

• Momentum only

• Inertia and momentum

• Neither inertia nor momentum

The friction that slows down or stops a moving object

• Static friction

• Kinetic friction

True or False: Friction only applies when two solid objects are rubbing against each other?

• True

• False

Thermodynamics is best described as … (a)   (b)  

• The study of how objects move

• The study of extremely high temperatures

• The study of sound waves

• The study of heat or energy in motion