Answer:
Car 1 will roll down the ramp and exert a force on car 2. The force experienced by car 2 is measured indirectly using
the distance it travels
. If the force increases, car 2 will travel
farther
. The independent variable, or what’s being manipulated in the experiment, is
the type of bumper attached to car 2
. The dependent variable, or what’s responding, is
the distance car 2 travels
. The height and starting position on the ramp are constants in this experiment.
Step-by-step explanation: