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  • The variation of quantity A with quantity B, plotted in Fig. 3.2 describes the motion of a particle in a straight line. (a) Quantity B may represent time. (b) Quantity A is velocity if motion is uniform.

The variation of quantity A with quantity B, plotted in Fig. 3.2 describes the motion of a particle in a straight line.

(a) Quantity B may represent time.
(b) Quantity A is velocity if motion is uniform.
(c) Quantity A is displacement if motion is uniform.
(d) Quantity A is velocity if motion is uniformly accelerated.

Answers (1)

The correct answer is the option: (c)

(a) Quantity B may represent time.

(c) Quantity A is displacement if the motion is uniform.

(d) Quantity A is velocity if the motion is uniformly accelerated.

Explanation:

Verification of opt (a) & (d)

If quantity B had represented velocity instead of time, then the graph would’ve become a straight line, viz., uniformly accelerated motion. Hence, the motion is not uniform.

Verification of opt (c)

If A represents displacement and B represents time, then the graph will be a straight line which would represent uniform motion.

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