DON CARLO CAVINA SCHOOL

SENIOR HIGH SCHOOL DEPARTMENT

Name: Date:
Grade and Section: Score:
GENERAL PHYSICS 1 LONG QUIZ

I. Multiple Choice Questions

Directions: Choose the correct answer by writing the letter of your choice before the number.

1. Which quantity describes a physical object that only has magnitude?

A. Vector Quantity
B. Scalar Quantity
C. Base Quantity
D. Derived Quantity
2. These are units that describe the size of the quantity such as mass, length, area, volume,
temperature, velocity, etc.
A. Physical Quantities
B. Fundamental Quantities
C. Chemical Quantities
D. Derived Quantities
3. Which branch of physics is essential for understanding light and its behavior?
A. Classical Mechanics
B. Optics
C. Thermodynamics
D. Electromagnetism
4. What is the unit symbol for the microgram?
A. Mg
B. mg
C. μg
D. kg
5. Which of the following situations best illustrates the concept of accuracy?
A. Measuring a length three times and getting the same result.
B. Hitting the target’s center exactly.
C. Getting consistent results when measuring an object.
D. Repeatedly hitting near the same spot on a target.
6. Convert 0.0000321 to scientific notation.
A. 3.21 x 10⁵
B. 3.21 x 10⁻⁵
C. 3.21 x 10⁻⁶
D. 3.21 x 10⁶
7. Which type of error is caused by unpredictable fluctuations in measurements?
A. Systematic Error
B. Random Error
C. Personal Error
D. Instrumental Error
8. A car accelerates uniformly from rest to 20 m/s in 4 seconds. What is the acceleration?
A. 5 m/s²
B. 10 m/s²
C. 4 m/s²
D. 8 m/s²
9. What is the resultant of two perpendicular vectors of 6 N and 8 N?
A. 10 N B. 14 N C. 7 N D. 9 N
10. A 50 N force is applied at an angle of 60°. What is the vertical component of this force?
A. 25 N B. 43.3 N C. 30 N D. 50 N
11. What is the main force acting on a projectile during its motion?
A. Friction B. Air Resistance C. Gravity D. Normal Force
12. Which of the following quantities is a vector?
A. Speed B. Mass C. Force D. Distance
13. What is the result of multiplying 4.0 x 2.5 with the correct number of significant figures?
A. 10 B. 10.0 C. 9.8 D. 8.0
 14. If a vector has a magnitude of 5 units and points 37˚ above the positive x-axis, what is the
horizontal component?
A. 4 units B. 3 units C. 5 units D. 6 units
15. How many significant figures are in the number 0.005230?
A. 3 B. 4 C. 5 D. 6
16. Which of the following is a base quantity in the SI system?
A. Time
B. Speed
C. Force
D. Power
17. Which physical phenomenon does not follow the laws of classical physics?
A. Motion of planets around the sun
B. Working of a hydraulic machine
C. Behavior of subatomic particles
D. Image formation in a plane mirror
18. Which method is used to add vectors graphically by placing them head-to-tail?
A. Parallelogram Method
B. Component Method
C. Perpendicular Method
D. Polygon Method
19. A projectile launched at a 45˚ angle with an initial velocity of 20 m/s. Neglecting air resistance,
what is the time of flight?
A. 1.4 s B. 2 s C. 2.9 s D. 4.1 s
20. A car decelerates uniformly from 30 m/s to a stop in 5 seconds. What is the car’s acceleration?
A. -6 m/s² B. -10 m/s² C. -12 m/s² D. -15
m/s²
II. Identification
21. The total distance covered by an object moving in a straight line.
22. The force acting on an object due to gravity.
23. A quantity that has both magnitude and direction.
24. The rate at which an object changes its velocity.
25. A method for adding vectors by placing them head-to-tail.
26. The constant acceleration experienced by an object in free fall near the Earth’s surface.
27. The Horizontal distance a projectile travel before landing
28. The branch of physics that studies the motion of objects and the forces acting on them.
29. The type of motion experienced when an object is thrown or projected near the Earth’s surface
and moves along path under gravity.
30. The amount of matter in an object, often measured in kilograms or grams.

III. True or False

31. The unit of force is derived from the fundamental unit.
32. A scalar quantity has both magnitude and direction
33. Precision is the degree to which repeated measurements show the same result.
34. In projectile motion, horizontal velocity remains constant if air resistance is neglected.
35. A systematic error occurs when measurements consistently deviate from the true value.

IV. Problem Solving

36. A car traveling at 20 m/s decelerates uniformly at a rate of 4 m/s². How long does it take for the
car to come to a complete stop?
37. An object is dropped from a height of 45 m. How long does it take to reach the ground? (Ignore
air resistance).
38. A train moving at 15 m/s starts decelerating at 3 m/s² until it comes to a stop. How far does the
train travel during this deceleration?

39-40. A ball is launched with a velocity of 25 m/s at a 45˚ angle. Determine the total time of flight,
the distance horizontally and the height of the object, (neglecting air resistance)