There are three particles shown in the figure as I, II and III. The velocity and acceleration vectors associated with the motion of three particles are shown.
Which of the above could represent the velocity and acceleration vectors for a projectile following a parabolic path?

I only

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II only

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III only

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I and II only

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II and III only

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Solution

The correct option is D I and II only
If both velocity and acceleration are in the same direction, the particle will have a straight line path and not parabolic path. Therefore the third particle cannot have a parabolic path.
Hence, correct options are I and II only.

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There are three particles shown in the figure as I, II and III. The velocity and acceleration vectors associated with the motion of three particles are shown.Which of the above could represent the velocity and acceleration vectors for a projectile following a parabolic path?

The correct option is D I and II onlyIf both velocity and acceleration are in the same direction, the particle will have a straight line path and not parabolic path. Therefore the third particle cannot have a parabolic path.Hence, correct options are I and II only.

There are three particles shown in the figure as I, II and III. The velocity and acceleration vectors associated with the motion of three particles are shown.
Which of the above could represent the velocity and acceleration vectors for a projectile following a parabolic path?

The correct option is D I and II only
If both velocity and acceleration are in the same direction, the particle will have a straight line path and not parabolic path. Therefore the third particle cannot have a parabolic path.
Hence, correct options are I and II only.