NEET Physics · Medium

Motion in a Straight Line: Relative Motion MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Relative MotionMediumQuestion 5219

Question

A train moves at 60 km/h and a car moves at 40 km/h in the same direction. The velocity of the car relative to the train is:
  1. A
    100 km/h
  2. B
    20 km/h
  3. C
    −20 km/h
    Correct
  4. D
    50 km/h

Correct answer

−20 km/h

Explanation

Relative velocity of car w.r.t. train = 40 − 60 = −20 km/h. The negative sign means the car moves backward relative to the train.