Basic Physics/Technology (SS1–1st term)Mid term test 25/26

1. Which of the following is a derived quantity?

2. The SI unit of force is ___.

3. Which of the following is a fundamental quantity?

4. Which of the following pairs are both derived units?

5. The dimension of velocity is ___.

6. Which of the following is not a vector quantity?

7. The physical quantity obtained by dividing distance by time is ___.

8. Which of these best defines position?

9. The product of mass and velocity gives ___.

10. A student measured the length of a pencil as 12.35 cm using a vernier caliper. The number of significant figures in the measurement is ___.

SUBJECTIVE (4mks)

1. The SI unit of displacement is ___.

2. What is the dimensional analysis for acceleration?

3. The displacement of a body per unit time in a specified direction is called _____.

4. A vector quantity is completely specified by ___.

THEORY QUESTIONS (6Marks) Instructions: Answer any two question. (Show working where necessary)

1. (a) Define the following terms: i. Fundamental quantities ii. Derived quantities (b) Analyse the dimensions of Pressure

2. (a) State one difference between scalar and vector quantities with one example each. (b) On a 2-Dimensional reference frame indicate the position of A with this coordinates (-4,3) NW

3. (a) What is the one similarity between Position and Displacement ? (b) A motor car travels 100 m due east, then 60 m due west and 10m due east. Calculate: i. The distance covered ii. The displacement of the car