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Motion MCQs — Physics

3 multiple-choice questions on Motion from Physics, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.

1. Which quantity is a vector?

  1. Speed
  2. Mass
  3. Displacement
  4. Temperature

Answer: C) Displacement

Explanation: A vector has both magnitude and direction. Displacement is distance in a stated direction; the others have magnitude only.

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2. An object starts from rest and accelerates at 2 m/s² for 5 s. What is its final velocity?

  1. 2.5 m/s
  2. 7 m/s
  3. 10 m/s
  4. 25 m/s

Answer: C) 10 m/s

Explanation: v = u + at = 0 + 2 × 5 = 10 m/s.

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3. A car travels 120 km in 2 hours. What is its average speed?

  1. 30 km/h
  2. 60 km/h
  3. 120 km/h
  4. 240 km/h

Answer: B) 60 km/h

Explanation: Average speed = distance ÷ time = 120 km ÷ 2 h = 60 km/h.

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