When light passes into a more dense material, it bends away from the

normal.

O A. True

O B. False

Which of the following statements is true? Energy input is always greater than energy output. Magnetic fields are weakest at the poles of a magnet. Magnetic fields can push and pull protons. A change in acceleration is called velocity.

What is the net force on a cart that is pulled to the right with 100 pounds of force and to the left with 30 pounds of force?

How does a radio use electromagnetic waves to play music?

Which type of element typically loses an electron to become an ion?

The electromotive force that causes electrons to move along a conductor is called?

Which class of lever has the fulcrum between the input force and the output force?

The refrigeration unit on an ice cream truck is rated at 35,500 Btu/hr. What is the amount of heat removed if is operates for 2.75 hours?

A process occurs in which a system's potential energy increases while the environment does work on the system.

What does the theory of plate tectonics suggest?

The clavicle is also called the