Item FM095001: A moving object will slow down the entire time that a force that opposes its motion is greater than the force pushing or pulling it forward.

What will happen to an object if a force that opposes its motion is greater than the force pushing or pulling it forward?

  1. The object will move at constant speed the entire time.
  2. The object will move slower and slower the entire time.
  3. The object will move at constant speed for a while and then slow down.
  4. The object will slow down for a while and then move at constant speed.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Language
6–8 9–12 Male Female Primary Language is English Primary Language is not English
A. The object will move at constant speed the entire time. 14% 14% 13% 13% 15% 14% 13%
B. The object will move slower and slower the entire time. 55% 53% 57% 59% 51% 55% 47%
C. The object will move at constant speed for a while and then slow down. 16% 17% 13% 13% 18% 15% 24%
D. The object will slow down for a while and then move at constant speed. 15% 15% 16% 15% 16% 16% 16%