1. The direction that electric field lines point depends on which of the following?
   1. The mass of the charge
   2. The magnitude of the charge
   3. The distance between charges
   4. The sign of the charge

1. The magnitude of an electric force between chargeQ1 and chargeQ2 is 3 N. If the distance between the two charges is three times closer, what is the value of the new force between them?
   1. N
   2. 1 N
   3. 9 N
   4. 27 N

1. Two objects are brought near each other and you observe that the two objects are repelling each other. What conclusions can you make about the charges of the objects?
   1. They have the same charge.
   2. They have opposite charges.
   3. They are uncharged.
   4. At least one of the objects has a charge.

1. What phenomena describes the separation of charge inside a neutral object to opposite ends?
   1. Induction
   2. Conduction
   3. Polarization
   4. Grounding

1. What phenomena describes the transfer of electrons to a much larger object that acts as a reservoir of electrons?
   1. Induction
   2. Conduction
   3. Polarization
   4. Grounding

1. What phenomena describes the transfer of electrons by touching a charged object to a neutral object?
   1. Induction
   2. Conduction
   3. Polarization
   4. Grounding

1. An ion that has a net negative charge is best described by which of the following?
   1. The ion has no protons.
   2. The ion has more protons than electrons.
   3. The ion has an equal amount of protons and electrons.
   4. The ion has more electrons than protons.

1. A toy car is moving along with 4 J of kinetic energy. If the speed of the car is doubled, what will the new kinetic energy be?
   1. 1 J
   2. 2 J
   3. 8 J
   4. 16 J

1. A hang glider is soaring through the sky with 80 J of gravitational potential energy. If he lowers his height to half the original value, what will the new gravitational potential energy be?
   1. 20 J
   2. 40 J
   3. 80 J
   4. 160 J

1. What is always true of an object possessing a kinetic energy of 0 J?
   1. It is on the ground
   2. It is moving
   3. It is at rest
   4. It is accelerating

1. What is always true of an object possessing a gravitational potential energy of 0 J?
   1. It is on the ground
   2. It is above the ground
   3. It is moving
   4. It is at rest

For questions #12 - 14, use the following image and description:

A roller coaster moves along a track that has friction

1. Where does the object have the greatest gravitational potential energy?
   1. Position A
   2. Position B
   3. Position C
   4. Position D

1. Where does the object have the greatest kinetic energy?
   1. Position A
   2. Position B
   3. Position C
   4. Position D

1. Where is the car moving the fastest?
   1. Position A
   2. Position B
   3. Position C
   4. Position D