Practice Test Geeks(BECE) Basic Education Certificate Examination Practice Test
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Force, Work, and Energy Flashcards

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

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  1. A block is pushed across a floor with a force of 20 N over a distance of 5 m. How much work is done on the block?

    Answer: 100 J

    Work = Force × distance = 20 N × 5 m = 100 J.

  2. Which of the following is a non-contact force?

    Answer: Gravitational force

    Gravitational force acts between objects without physical contact, making it a non-contact force.

  3. A 5 kg object is lifted 3 m vertically. If g = 10 m/s², what is the gravitational potential energy gained?

    Answer: 150 J

    GPE = mgh = 5 × 10 × 3 = 150 J.

  4. Which unit is used to measure work?

    Answer: Joule

    Work is measured in Joules (J), which equals Newton-metres (N·m).

  5. A 2 kg ball moving at 4 m/s comes to rest after hitting a wall. How much kinetic energy did it lose?

    Answer: 16 J

    KE lost = ½mv² = ½ × 2 × 4² = ½ × 2 × 16 = 16 J.

  6. Which of Newton's laws states that every action has an equal and opposite reaction?

    Answer: Third law

    Newton's Third Law states that for every action force there is an equal and opposite reaction force.

  7. A machine does 600 J of work in 30 seconds. What is its power output?

    Answer: 20 W

    Power = Work/time = 600 J ÷ 30 s = 20 W.