Ordinary level 2026 West harmonized regional mock physics 1

SECTION I (Forty two questions)

Questions 1 – 42

Directions:

Each of the questions or incomplete statements in this section is followed by four suggested answers. Select the best answer in each case.

1. Which of the following is a base physical quantity?

   A. Force

   B. Mass

   C. Speed

   D. Volume

2. Which of the following is a vector quantity?

   A. Distance

   B. Pressure

   C. Time

   D. Velocity

3. Two forces of magnitude $3\text{ N}$ and $4\text{ N}$ act at right angles to each other. The magnitude of their resultant is:

   A. $1\text{ N}$

   B. $5\text{ N}$

   C. $7\text{ N}$

   D. $12\text{ N}$

4. A body of mass $2\text{ kg}$ is acted upon by a constant resultant force of $10\text{ N}$. Its acceleration is:

   A. $2\text{ m s}^{-2}$

   B. $5\text{ m s}^{-2}$

   C. $10\text{ m s}^{-2}$

   D. $20\text{ m s}^{-2}$

5. Figure 1 shows a uniform beam AB ($100\text{ cm}$ long) of weight $60\text{ N}$ pivoted at a point $30\text{ cm}$ from the end A.

   [Diagram showing a beam with pivot at $30\text{ cm}$ from A, force F at end A, and $60\text{ N}$ weight acting at the center]

   Figure 1

   The force F that should be applied to the end A to keep the beam balanced is:

   A. $3000\text{ N}$

   B. $1200\text{ N}$

   C. $40\text{ N}$

   D. $20\text{ N}$

6. It is easier to undo a knob using a longer spanner rather than a shorter one because it results in the production of a larger:

   A. force

   B. moment

   C. power

   D. pressure

7. Which of the following is a non-renewable source of energy?

   A. Biogas

   B. Coal

   C. Solar energy

   D. Wind energy

8. The form of energy stored in a car battery is:

   A. chemical energy

   B. electrical energy

   C. kinetic energy

   D. sound energy

9. The rate at which a device converts energy from one form to another defines its:

   A. efficiency

   B. mechanical advantage

   C. power

   D. work done

10. Which of the following devices converts sound energy to electrical energy?

    A. A diode

    B. A guitar

    C. A loudspeaker

    D. A microphone

11. The output energy of a truck is $4500\text{ J}$. If the efficiency of the truck is 50%, then the energy input provided to the truck is:

    A. $2250\text{ J}$

    B. $4500\text{ J}$

    C. $6750\text{ J}$

    D. $9000\text{ J}$

12. The work done when a force of $20\text{ N}$ moves a body through a distance of $5\text{ m}$ in the direction of the force is:

    A. $4\text{ J}$

    B. $25\text{ J}$

    C. $100\text{ J}$

    D. $250\text{ J}$

13. Which of the graphs in figure 2 shows how the potential energy E of a bag varies with height h as it is moved from the earth’s surface to the first floor of a storey building.

    [Diagram showing four graphs: A (linear positive), B (curved positive), C (constant), D (linear negative)]

    Figure 2

14. The use of safety belts in cars is an application of:

    A. Newton’s first law of motion

    B. Newton’s second law of motion

    C. The law of conservation of energy

    D. The law of conservation of momentum

15. What quantity measures the rate of change of momentum?

    A. Power

    B. Force

    C. Pressure

    D. Work done