Question

Distance travelled by a particle in a given interval of time is always

• A. Zero
• B. Positive
• C. Negative
• D. positive or negative

Answer 1

The correct option is B

Positive

The explanation for correct answer B:

1. Distance is the actual path length covered by a body that can only be positive.

The explanation for incorrect answer A:

1. If the body is at rest and does not move the distance covered by the body is zero.

The explanation for incorrect answer C:

1. The distance is a scalar quantity and hence negative distance does not make sense.

Conclusion:

Thus, option B is correct i.e the distance is always positive.