Fall 2023 Semester Exam

What is each end of a magnet called?

• magnetic poles
• permanent poles

Magnetic poles that are unlike

• attract each other.
• repel each other.

What causes a compass to behave as it does?

• Earth’s geographic north pole
• Earth’s magnetic field

Which of the following is an example of rolling friction?

• bike tires on the road as you ride
• a boat on the water as it sails

Magnetic poles that are alike

• attract each other.
• repel each other.

Which of the following has the most gravitational potential energy?

• A person standing on top of the Empire State Building
• A basketball sitting on top of a bookshelf

Which law is this? An object in motion will stay in motion and an object at rest will stay at rest unless acted on by a force?

• Newton's First Law of Motion
• Newton's Fourth Law of Motion

kinetic energy increases as

• both mass and velocity increase
• both mass and velocity decrease

If you know the distance an object has traveled in a certain amount of time, you can determine the

• size of the object
• speed of the object

At the top of a roller coaster, you have the highest amount of

• potential energy
• kinetic energy