Magnets Review

What type of forces are in this system?

• Repelling

• Attracting

• Both attracting and repelling

• Neither attracting nor repelling

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Two magnets are next to each other. What will happen next and why?

• They will move closer due to the magnetic force.

• They will not move since they are not touching.

• They will move away because of the magnetic force.

• They will move away because they are not touching.

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Which statement is true about this system?

• They are repelling.

• They are attracting.

• Undetermined.

• Both repelling and attracting.

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How would you increase the potential energy in this system?

• Move them closer together.

• Move them farther apart.

• Rotate them.

• Leave them stationary.

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What will happen when these two magnets are pushed closer together?

• The potential energy will stay the same.

• The potential energy will decrease.

• The potential energy will increase.

• The potential energy will fluctuate.

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In order to move these magnets against the magnetic field, which direction should they be moved?

• Closer together.

• Farther apart.

• Up.

• Down.

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Which movement will result in the largest increase in potential energy?

• Moving Car 1 one space toward the center magnet.

• Moving Car 1 one space away from the center magnet.

• Moving Car 2 one space away from the center magnet.

• All these movements will result in the same change in potential energy because they each move a roller coaster car the same distance.

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Two magnets next to each other are released and they move. What does that mean?

• Potential increases while kinetic energy decreases.

• Potential energy decreases while kinetic energy increases.

• The system loses energy.

• The magnets will gain and then lose energy.

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How does magnetic force affect the energy in a system of magnets when the magnets are released and begin to move?

• The magnetic force increases the potential energy in the system.

• The magnetic force decreases the kinetic energy in the system.

• The magnetic force changes kinetic energy into potential energy.

• The magnetic force changes potential energy into kinetic energy.

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Which movement will result in the largest increase in potential energy?

• 
  

• Moving the cart on Track 1 one space to the right.

• Moving the cart on Track 2 one space to the left.

• Moving the cart on Track 2 one space to the right.

• All these movements will result in the same change in potential energy because they each move a cart the same distance.

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