P6

1. What branch of mechanics describes motion without considering its causes?
   A. Dynamics
   B. Statics
   C. Kinematics
   D. Thermodynamics

C

2. Motion is defined as the change in an object's ______.
   A. Mass
   B. Position
   C. Temperature
   D. Force

B

3. Which refers to the specific location of an object?
   A. Distance
   B. Position
   C. Velocity
   D. Speed

B

4. Which quantity includes both magnitude and direction?
   A. Scalar
   B. Vector
   C. Unit
   D. Measurement

B

5. Which is a scalar quantity?
   A. Velocity
   B. Force
   C. Distance
   D. Acceleration

C

Which is a vector quantity?
A. Time
B. Temperature
C. Mass
D. Momentum

D

7. Distance differs from displacement because distance ______.
   A. Includes direction
   B. Is always shorter
   C. Is the total path traveled
   D. Is a vector

C

8. Velocity is calculated using ______.
   A. Distance ÷ Time
   B. Displacement ÷ Time
   C. Force ÷ Mass
   D. Mass ÷ Volume

B

9. Speed is measured using ______.
   A. Distance ÷ Time
   B. Displacement ÷ Time
   C. Force ÷ Area
   D. Mass ÷ Time

A

10. Acceleration is the rate of change of ______.
    A. Distance
    B. Position
    C. Velocity
    D. Mass

C

11. Which type of motion has constant acceleration?
    A. Projectile Motion
    B. Oscillatory Motion
    C. Uniformly Accelerated Linear Motion
    D. Rotational Motion

C

12. Free-fall motion occurs when an object is acted upon only by ______.
    A. Air resistance
    B. Friction
    C. Gravity
    D. Wind

C

13. Which type of motion repeats at equal intervals?
    A. Rotational
    B. Linear
    C. Periodic
    D. Projectile

C

14. A spinning ceiling fan is an example of ______.
    A. Linear Motion
    B. Rotational Motion
    C. Oscillatory Motion
    D. Projectile Motion

B

15. A basketball thrown toward the hoop demonstrates ______.
    A. Linear Motion
    B. Rotational Motion
    C. Projectile Motion
    D. Periodic Motion

C

16. Which instrument measures mass?
    A. Thermometer
    B. Stopwatch
    C. Digital Scale
    D. Ruler

C

17. Which SI unit measures force?
    A. Joule
    B. Newton
    C. Watt
    D. Volt

B

18. Which unit measures electrical power?
    A. Joule
    B. Watt
    C. Newton
    D. Meter

B

19. A physical quantity is always expressed using ______.
    A. Color and shape
    B. Number and unit
    C. Graph and table
    D. Formula only

B

20. Which graph component contains the plotted values?
    A. Scale
    B. Labels
    C. Data Points
    D. Axes

C

21. Linear fitting is also called ______.
    A. Graphing
    B. Regression
    C. Plotting
    D. Interpolation

B

22. Accuracy refers to how close a measurement is to the ______.
    A. Average
    B. True value
    C. Lowest value
    D. Highest value

B

23. Precision refers to ______.
    A. Correctness
    B. Consistency
    C. Speed
    D. Distance

B

24. Which error affects accuracy?
    A. Random Error
    B. Systematic Error
    C. Human Error
    D. Reading Error

B

25. Random errors mainly affect ______.
    A. Accuracy
    B. Precision
    C. Velocity
    D. Speed

B

26. Scientific notation is written as a number multiplied by ______.
    A. 2
    B. 5
    C. 10
    D. 100

C

27. In scientific notation, the coefficient must be between ______.
    A. 0 and 1
    B. 1 and 10
    C. 10 and 100
    D. 100 and 1000

B

28. Positive exponents are used for ______.
    A. Small numbers
    B. Negative numbers
    C. Large numbers
    D. Fractions

C

29. Which quantity measures hotness or coldness?
    A. Mass
    B. Time
    C. Temperature
    D. Force

C

30. Which of the following is NOT a vector quantity?
    A. Force
    B. Weight
    C. Speed
    D. Velocity

C

TRUE OR FALSE

31. Motion is the change in an object's position over time.

TRUE

33. Force is a vector quantity.

TRUE

34. Distance includes direction.

FALSE

35. Precision means measurements are close to one another.

TRUE

36. Systematic errors can be corrected by averaging many trials.

FALSE

37. Scientific notation always uses base 10.

TRUE

38. Free-fall motion ignores air resistance.

TRUE

39. A ruler is commonly used to measure length.

TRUE

40. The Earth orbiting the Sun is an example of periodic motion.

TRUE

IDENTIFICATION

41. The branch of mechanics that studies motion without considering forces.

KINETICS

42. The straight-line distance and direction from the starting point to the ending point.

DISPLACEMENT

43. A quantity that has magnitude only.

SCALAR

44. The rate of change of velocity.

ACCELERATION

45. A standard quantity used for measurement.

UNIT

46. A measurement's closeness to the accepted value.

ACCURACY

47. A measurement's consistency with repeated trials.

PRECISION

48. A mathematical method of writing very large or very small numbers.

SCIENTIFIC NOTATION

49. The movement of an object around a fixed axis.

ROTATIONAL MOTION

50. The process of combining two or more vectors.

VECTOR ADDITION