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A 2.0 kg object moves in a straight line...

A 2.0 kg object moves in a straight line on a horizontal frictionless surface. The graph in the given figure 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.

Which section of the graph corresponds to the application of the largest constant net force ?

A

I

B

II

C

III

D

IV

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A 2.0 kg object moves in a straight line on a horizontal frictionless surface. The graph in the given figure 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
    I and V

  • A 2.0 kg object moves in a straight line on a horizontal frictionless surface. The graph in the given figure 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 of the graph is the magnitude of the net force decreasing ?

    A
    I
    B
    II
    C
    III
    D
    IV

  • An object is moving along a straight line in the positive x direction. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D. What was the instantaneous velocity of the object at the end of the eighth second ?

    A
    `+7.5` m/s
    B
    `+9.4` m/s
    C
    0 m/s
    D
    `+9.0` m/s

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