A 2.0-kg object moves in a straight line on a horizontal frictionless surface.
The graph shows the velocity of the object as a function of time. The various equal time intervals are labeled using Roman numerals: I, II, III, IV, and V. The net force on the object always acts along the line of motion of the object.
-In which section(s) of the graph is the net force changing?
A)I and III
B)II and IV
C)III
D)IV
E)I and V

Question

A 2.0-kg object moves in a straight line on a horizontal frictionless surface.
The graph shows the velocity of the object as a function of time. The various equal time intervals are labeled using Roman numerals: I, II, III, IV, and V.  The net force on the object always acts along the line of motion of the object.
-In which section(s) of the graph is the net force changing?
A)I and III 
B)II and IV 
C)III 
D)IV 
E)I and V

Quizplus · Accepted Answer

The Answer of A 2.0-kg object moves in a straight line on a horizontal frictionless surface.
The graph shows the velocity of the object as a function of time. The various equal time intervals are labeled using Roman numerals: I, II, III, IV, and V.  The net force on the object always acts along the line of motion of the object.
-In which section(s) of the graph is the net force changing?
A)I and III 
B)II and IV 
C)III 
D)IV 
E)I and V

A 20-Kg Object Moves in a Straight Line on a Horizontal