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GCSE Physics Forces and Motion Flashcards

6 cards from real GCSE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 GCSE Physics Forces and Motion flashcards as text

  1. Which of the following is a vector quantity?

    Answer: Velocity

    Velocity has both magnitude and direction, so it is a vector.

  2. A car travels 150 m in 6 s. What is its average speed?

    Answer: 25 m/s

    Speed = distance ÷ time = 150 ÷ 6 = 25 m/s.

  3. A resultant force of 20 N acts on a mass of 4 kg. What is the acceleration?

    Answer: 5 m/s²

    F = ma, so a = F ÷ m = 20 ÷ 4 = 5 m/s².

  4. What does the gradient of a distance-time graph represent?

    Answer: Speed

    The gradient of a distance-time graph gives the speed.

  5. What is the weight of a 5 kg object on Earth? (gravitational field strength = 9.8 N/kg)

    Answer: 49 N

    Weight = mass × gravitational field strength = 5 × 9.8 = 49 N.

  6. Two forces act on an object in opposite directions: 30 N to the left and 12 N to the right. What is the resultant force?

    Answer: 18 N to the left

    Opposite forces are subtracted: 30 − 12 = 18 N, in the direction of the larger force (left).