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A Level H1 Physics Practice Paper 1

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Questions

TuitionGoWhere Practice Paper - Physics H1 A-Level

TuitionGoWhere Exam Practice (AI)

Subject: Physics H1 (8867) Level: A-Level Paper: Practice Paper 1 Duration: 1 hour Total Marks: 30 Version: 1 of 5

Name: _________________________ Class: _________________________ Date: _________________________

Instructions to Candidates

This paper consists of 30 multiple-choice questions.
Answer all questions.
Each question carries 1 mark.
Choose the most appropriate answer from the four options given.
Write your answers clearly in the spaces provided.
You may use a scientific calculator.
The use of an approved formula sheet is permitted.

Section A: Mechanics (Questions 1–20)

1. A car of mass 1200 kg travels at a constant speed of 20 m s⁻¹. What is the magnitude of its momentum?

A. 60 kg m s⁻¹ B. 240 kg m s⁻¹ C. 24 000 kg m s⁻¹ D. 240 000 kg m s⁻¹

Answer: _______

2. Which of the following is a correct statement of the principle of conservation of linear momentum?

A. The total momentum of a system is always zero. B. The total momentum of an isolated system remains constant. C. The total kinetic energy of a system remains constant. D. The momentum of each object in a system remains constant.

Answer: _______

3. A ball of mass 0.50 kg is dropped from rest and falls vertically. Air resistance is negligible. After falling for 2.0 s, what is its kinetic energy?

A. 9.8 J B. 19.6 J C. 48 J D. 96 J

Answer: _______

4. A uniform plank of length 4.0 m and weight 200 N rests on two supports placed 1.0 m from each end. A person of weight 600 N stands at the centre of the plank. What is the upward force exerted by each support?

A. 200 N B. 300 N C. 400 N D. 800 N

Answer: _______

5. A trolley of mass 2.0 kg moving at 3.0 m s⁻¹ collides with a stationary trolley of mass 1.0 kg. After the collision, the trolleys stick together. What is their common velocity immediately after the collision?

A. 1.0 m s⁻¹ B. 2.0 m s⁻¹ C. 3.0 m s⁻¹ D. 6.0 m s⁻¹

Answer: _______

6. An object is acted upon by a constant resultant force. Which of the following quantities remains constant?

A. Velocity B. Acceleration C. Momentum D. Kinetic energy

Answer: _______

7. A stone is projected horizontally from the top of a cliff with a speed of 15 m s⁻¹. The cliff is 45 m high. How far from the base of the cliff does the stone land? (Take g = 10 m s⁻²)

A. 30 m B. 45 m C. 60 m D. 90 m

Answer: _______

8. A force of 50 N acts on a body of mass 10 kg initially at rest. What is the distance travelled by the body in 4.0 s?

A. 20 m B. 40 m C. 80 m D. 160 m

Answer: _______

9. Which of the following is a vector quantity?

A. Speed B. Kinetic energy C. Displacement D. Power

Answer: _______

10. A car accelerates uniformly from rest to 30 m s⁻¹ in 10 s. What is the distance travelled during this time?

A. 75 m B. 150 m C. 300 m D. 450 m

Answer: _______

11. An object of mass m moves with speed v. Its kinetic energy is doubled. What is its new speed?

A. √2 v B. 2v C. 4v D. v/√2

Answer: _______

12. A block slides down a frictionless incline of height 5.0 m. What is its speed at the bottom? (Take g = 10 m s⁻²)

A. 5.0 m s⁻¹ B. 7.1 m s⁻¹ C. 10 m s⁻¹ D. 14 m s⁻¹

Answer: _______

13. Two objects of masses 3.0 kg and 2.0 kg are connected by a light string over a frictionless pulley. The 3.0 kg mass rests on a smooth horizontal table, while the 2.0 kg mass hangs vertically. What is the acceleration of the system? (Take g = 10 m s⁻²)

A. 2.0 m s⁻² B. 4.0 m s⁻² C. 6.0 m s⁻² D. 8.0 m s⁻²

Answer: _______

14. A ball is thrown vertically upwards with an initial speed of 20 m s⁻¹. What is the maximum height reached? (Take g = 10 m s⁻²)

A. 10 m B. 20 m C. 40 m D. 80 m

Answer: _______

15. A constant force of 100 N acts on a body and moves it through a distance of 5.0 m in the direction of the force. What is the work done by the force?

A. 20 J B. 100 J C. 500 J D. 2500 J

Answer: _______

16. A machine lifts a load of 200 N through a vertical height of 3.0 m in 2.0 s. What is the power output of the machine?

A. 100 W B. 150 W C. 300 W D. 600 W

Answer: _______

17. A body of mass 4.0 kg is moving with a velocity of 5.0 m s⁻¹. It is brought to rest by a constant force in 2.0 s. What is the magnitude of the force?

A. 2.5 N B. 5.0 N C. 10 N D. 20 N

Answer: _______

18. Which graph best represents the variation of velocity with time for an object falling from rest in the presence of air resistance?

A. A straight line through the origin with constant positive gradient B. A curve starting from the origin that approaches a horizontal asymptote C. A straight horizontal line D. A curve starting from the origin with increasing gradient

Answer: _______

19. A spring of spring constant 200 N m⁻¹ is compressed by 0.10 m. What is the elastic potential energy stored in the spring?

A. 1.0 J B. 2.0 J C. 10 J D. 20 J

Answer: _______

20. An object of mass 0.50 kg is swung in a horizontal circle of radius 2.0 m at a constant speed of 4.0 m s⁻¹. What is the centripetal force acting on the object?

A. 1.0 N B. 2.0 N C. 4.0 N D. 8.0 N

Answer: _______

END OF PAPER

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Answers

TuitionGoWhere Practice Paper - Physics H1 A-Level — Answer Key

TuitionGoWhere Exam Practice (AI)

Subject: Physics H1 (8867) Level: A-Level Paper: Practice Paper 1 (Version 1 of 5) Total Marks: 30

Section A: Mechanics (Questions 1–20)

1. C — 24 000 kg m s⁻¹
Working: p = mv = 1200 × 20 = 24 000 kg m s⁻¹ [B1]

2. B — The total momentum of an isolated system remains constant.
Marking note: Must include "isolated system" or "no external forces" for full credit. [B1]

3. D — 96 J
Working: v = u + gt = 0 + 9.8 × 2.0 = 19.6 m s⁻¹; KE = ½mv² = ½ × 0.50 × (19.6)² ≈ 96 J [B1]

4. C — 400 N
Working: Total downward force = 200 + 600 = 800 N. By symmetry, each support = 800 ÷ 2 = 400 N. [B1]

5. B — 2.0 m s⁻¹
Working: Conservation of momentum: (2.0 × 3.0) + (1.0 × 0) = (2.0 + 1.0)v; 6.0 = 3.0v; v = 2.0 m s⁻¹ [B1]

6. B — Acceleration
Marking note: Constant resultant force → constant acceleration (F = ma). Velocity, momentum, and KE change. [B1]

7. B — 45 m
Working: Time to fall: t = √(2h/g) = √(2 × 45 / 10) = 3.0 s; Horizontal distance = 15 × 3.0 = 45 m [B1]

8. B — 40 m
Working: a = F/m = 50/10 = 5.0 m s⁻²; s = ut + ½at² = 0 + ½ × 5.0 × 16 = 40 m [B1]

9. C — Displacement
Marking note: Displacement has both magnitude and direction. Speed, KE, and power are scalars. [B1]

10. B — 150 m
Working: a = (v − u)/t = 30/10 = 3.0 m s⁻²; s = ½(u + v)t = ½ × 30 × 10 = 150 m [B1]

11. A — √2 v
Working: KE ∝ v²; if KE doubles, v² doubles, so v → √2 v [B1]

12. C — 10 m s⁻¹
Working: mgh = ½mv²; v = √(2gh) = √(2 × 10 × 5.0) = √100 = 10 m s⁻¹ [B1]

13. B — 4.0 m s⁻²
Working: Net force = weight of hanging mass = 2.0 × 10 = 20 N; Total mass = 5.0 kg; a = 20/5.0 = 4.0 m s⁻² [B1]

14. B — 20 m
Working: v² = u² + 2as; 0 = 20² + 2(−10)s; s = 400/20 = 20 m [B1]

15. C — 500 J
Working: W = Fd = 100 × 5.0 = 500 J [B1]

16. C — 300 W
Working: Work done = 200 × 3.0 = 600 J; P = W/t = 600/2.0 = 300 W [B1]

17. C — 10 N
Working: a = (v − u)/t = (0 − 5.0)/2.0 = −2.5 m s⁻²; F = ma = 4.0 × 2.5 = 10 N (magnitude) [B1]

18. B — A curve starting from the origin that approaches a horizontal asymptote
Marking note: Speed increases at decreasing rate due to increasing air resistance, approaching terminal velocity. [B1]

19. A — 1.0 J
Working: EPE = ½kx² = ½ × 200 × (0.10)² = 1.0 J [B1]

20. C — 4.0 N
Working: F = mv²/r = 0.50 × (4.0)² / 2.0 = 0.50 × 16 / 2.0 = 4.0 N [B1]

END OF ANSWER KEY