The graphs on this page represent the motion of objects along a line that is the

Question

The graphs on this page represent the motion of objects along a line that is the positive position axis. Notice that the motion of objects is represented by position, velocity, or acceleration graphs. Answer the following questions. You may use a graph more than once or not at all, and there may be more correct choices than blanks. If none of the graphs is correct, answer J. _____12. Pick one graph that gives enough information to indicate that the velocity is always negative Pick graphs that represent the motion of an object whose velocity is constant (not changing) _____13. _____14. ____16. Pick one graph that definitely indicates an object has reversed direction. _____17. Pick one graph that might possibly be that of an object standing still.

Explanation / Answer

12. a ( slope of a graph is negarive, hence velocity is negative)

13. a (body covers equal displacements in eual intervals of time)

14.i (acceleration is zero means body moving with constant velocity)

16.c

17.i

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