Science Assessment ~ Items ~ FM068003

The table below gives the speed of an object every minute from 9:00 am to 9:06 am.

Time →	9:00 am	9:01 am	9:02 am	9:03 am	9:04 am	9:05 am	9:06 am
Speed →	10 m/s	10 m/s	10 m/s	10 m/s	11 m/s	12 m/s	13 m/s

Which of the following sets of forces could cause this motion?

From 9:00 am to 9:03 am, there is a single force of constant strength acting on the object. From 9:03 am to 9:06 am, there are no forces acting on the object.
From 9:00 am to 9:03 am, there are no forces acting on the object. From 9:03 am to 9:06 am, there is a single force of constant strength acting on the object.
From 9:00 am to 9:03 am, there is a single force of constant strength acting on the object. From 9:03 am to 9:06 am, there is a single force of increasing strength acting on the object.
From 9:00 am to 9:03 am, there is a single force of constant strength acting on the object. From 9:03 am to 9:06 am, there is another constant force of greater strength acting on the object.

Group	Correct	Total	Percent
Overall	404	1780	23%
Grades
6–8	267	1114	24%
9–12	135	658	21%
Gender
Male	179	824	22%
Female	214	910	24%
Primary Language
English	354	1567	23%
Other	44	178	25%

Disciplinary Core Ideas: PS2.A The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion.
PS2.A Newton's second law accurately predicts changes in the motion of macroscopic objects.

Science Assessment