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Angola 12th Grade Physics (Exame Nacional de Física) Practice Questions - Angola 12th Grade National Examination - Physics (Física - Código 123) Exam

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About this Exam

Prepare with the Angola 12th Grade Physics (Exame Nacional de Física) Practice Questions - Angola 12th Grade National Examination - Physics (Física - Código 123) Exam practice quiz. This question bank includes 92 questions covering mass, speed, taking, horizontal, and force. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
A vehicle traveling along a straight horizontal road accelerates uniformly from an initial velocity of 10 m/s to a final velocity of 30 m/s over a displacement of 100 m. What is the magnitude of the vehicle's constant acceleration?
4.0 m/s^2
2.0 m/s^2
5.0 m/s^2
8.0 m/s^2
Question 2
A projectile is launched horizontally with an initial speed of 20 m/s from the edge of a cliff 45 m above flat ground. Neglecting air resistance and taking g = 10 m/s^2, what is the horizontal distance (range) traveled by the projectile before impact?
45 m
60 m
90 m
120 m
Question 3
A soccer ball is kicked from ground level with an initial velocity of 40 m/s at an angle of 30° above the horizontal. Taking g = 10 m/s^2 and sin(30°) = 0.50, what maximum vertical height does the ball reach above the ground?
15 m
40 m
20 m
80 m
Question 4
A block of mass 5.0 kg rests on a frictionless horizontal floor. A pulling force of magnitude F = 25 N is applied at an angle of 37° above the horizontal. Given cos(37°) = 0.80 and sin(37°) = 0.60, what is the horizontal acceleration of the block?
3.0 m/s^2
6.25 m/s^2
5.0 m/s^2
4.0 m/s^2
Question 5
A block of mass 4.0 kg is placed at rest on an inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and the plane is μ_s = 0.60. Taking g = 10 m/s^2, sin(30°) = 0.50, and cos(30°) = 0.87, which statement correctly describes the friction force acting on the block?
The block remains stationary, and the static friction force is exactly 20 N acting up the incline.
The block slides down the incline because the downhill gravitational component exceeds maximum static friction.
The block remains stationary, and the static friction force is 20.88 N acting up the incline.
The static friction force is zero because the block is at rest.

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Additional Information

Angola 12th Grade Physics (Exame Nacional de Física) Practice Questions - Angola 12th Grade National Examination - Physics (Física - Código 123) Exam

This practice set contains 92 questions from the matching question bank and focuses on mass, speed, taking, horizontal, and force. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Frequently Asked Questions

This quiz contains a total of 92 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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