Physics (SS 2) 1st term examination 2025/2026

Section A (Objective)

1. Force applied on a string is called

2. If the initial position of a particle is -5m and it's final position is 4m, then displacement is

3. The location of a point relative to a reference frame is known as

4. When a body returns to its starting point, its displacement is

5. The coordinate of a point 6 units to the right of the origin on the x-axis is

6. A body moves 5 m east and then 12 m north. Its displacement is

7. Which of the following describes distance accurately?

8. The slope of a distance–time graph gives

9. A horizontal line on a distance–time graph indicates

10. The area under a velocity–time graph represents

11. A line sloping downward on a v–t graph indicates

12. The force needed to accelerate a 3-kg mass at 4 m/s² is

13. If resultant force is zero, the body

14. F = ma is derived from which law?

15. Which of the following is NOT an equation of motion?

16. The ‘u’ in equations of motion stands for

17. A car initially at rest reaches 30 m/s in 10 s. Its acceleration is

18. A projectile is any object given an initial velocity and

19. The vertical component of initial velocity in a projectile is

20. At the highest point of projection, vertical velocity is

Section B (Subjective) 2marks each except specified

1. A straight line sloping upward on a v–t graph shows _______________

2. A body is in equilibrium when _____________.

3. The range of a projectile is given by _______________.

4. The path of a projectile is ____________

5. Using v² = u² + 2as, if u = 10 m/s, a = 2 m/s², s = 5 m, v = ________________ (show working) 4marks

6. The two formulas for finding displacement are __________ and _________.

7. Kinetic energy depends on mass and ___________.

8. On 3D reference frame we have 3cardinal points which are positive and they are : _____________, ___________ & ___________.(3mks)

9. The key concept in Archimedes principles is ____________.

Section C (Theory) Answer any 3

1. (a)What is meant by equilibrium of forces? (b)State the two conditions necessary for equilibrium. (c)Determine the tension in cords AB and AC for the equilibrium of the 6.2kg block shown in the figure(fig. 1c)

2. (a)Define a projectile. (b)A ball is projected with a speed of 20 m/s at an angle of 30° to the horizontal. Calculate: (i)The horizontal component of velocity (ii)The vertical component (iii)The time of flight

3. (a)Derive the equation "v = u + at" from first principles. (b)A car initially moving at 12 m/s accelerates uniformly at 4 m/s² for 5 seconds. (i) Find its final velocity. (ii) Find the distance covered in that time.

4. (a)Sketch the position of A with this cordinates (-3, -4) on a 2D reference frame. (b)A cylindrical metal bar has a density of 8900 kg/m³, a mass of 3.56 kg, and a cross-sectional area of 0.00095 m². Calculate the length of the metal bar.