Question

3 given what you see in the video, determine which of these steps is most likely to make the car move faster.
a using a smaller, round magnet
b holding the magnet closer to the car
c holding the magnet farther from the car
d using a piece of plastic instead of the magnet

Explanation:

Magnetic force strength increases with proximity; a closer magnet exerts a stronger attractive/repulsive force on the magnetic car, making it move faster. Smaller magnets have weaker force, farther magnets have weaker force, and plastic exerts no magnetic force.

Answer:

B. Holding the magnet closer to the car