plumiForces: CAIE IGCSE Physics questions
Every CAIE IGCSE Physics exam question on 1.5 Forces, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Calculations
Q3(a)(i)
The whole paper ↗![June 2024 Paper 3, question 3(a)(i): Calculate the resultant horizontal force on the boat in Fig. 3.1. size of resultant force = N direction of resultant force [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062531-jun24-03-ai-qp.webp)
Q3(a)(ii)
The whole paper ↗![June 2024 Paper 3, question 3(a)(ii): Suggest what causes the 80 N force on the boat in Fig. 3.1. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062531-jun24-03-aii-qp.webp)
Q3(a)(iii)
The whole paper ↗![June 2024 Paper 3, question 3(a)(iii): Another boat is travelling and the horizontal forces on this boat are balanced. Describe the horizontal motion of this boat. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062531-jun24-03-aiii-qp.webp)
Q3(b)
The whole paper ↗
Q1(b)
The whole paper ↗![June 2024 Paper 4, question 1(b): The mass of the ball is 0.0075 kg. Calculate the resultant force acting on the ball when it is accelerating downwards at 2.8 m / s2 . resultant force = [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062541-jun24-01-b-qp.webp)
Q1(c)(i)
The whole paper ↗![June 2024 Paper 4, question 1(c)(i): Describe what happens to the acceleration between t = 0 and t = 0.040 s. Explain why this happens. [4]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062541-jun24-01-ci-qp.webp)
Q1(a)
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Q1(b)
The whole paper ↗
Q1(c)
The whole paper ↗![June 2024 Paper 6, question 1(c): Plot a graph of L / N (y-axis) against e / cm (x-axis). Start both axes at the origin (0, 0). Draw the best-fit line. 00 [4]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062561-jun24-01-c-qp.webp)
Q1(d)
The whole paper ↗![June 2024 Paper 6, question 1(d): Determine the gradient G of the graph. Show all your working and indicate on the graph the values you use. G = [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062561-jun24-01-d-qp.webp)
Q1(e)
The whole paper ↗
All 25 questions on Forces, as a list
- June 2024, Paper 1, Q4 (1 mark): The extension–load graph for a spring is shown. The unstretched length of the spring is 15.0 cm. 3 extension / cm 2 1 0 0 1 2 3 4 5 load / N When an object of u
- June 2024, Paper 1, Q5 (1 mark): A student determines the position of the centre of gravity of a piece of card. The diagram shows the equipment that is available. The equipment is not drawn to
- June 2024, Paper 2, Q5 (1 mark): Four objects each have two forces acting on them. Which object is in equilibrium? A B C D 1.0 N 1.0 N 1.0 N 1.0 N 1.0 N 1.0 N 1.0 N 1.0 N
- June 2024, Paper 3, Q3(a)(i) (2 marks): Calculate the resultant horizontal force on the boat in Fig. 3.1. size of resultant force = N direction of resultant force [2]
- June 2024, Paper 3, Q3(a)(ii) (1 mark): Suggest what causes the 80 N force on the boat in Fig. 3.1. [1]
- June 2024, Paper 3, Q3(a)(iii) (1 mark): Another boat is travelling and the horizontal forces on this boat are balanced. Describe the horizontal motion of this boat. [1]
- June 2024, Paper 3, Q3(b) (4 marks): Fig. 3.2 shows the wheel used to steer a boat. 60 N 50 cm pivot Fig. 3.2 A force of 60 N acts at a perpendicular distance of 50 cm from the wheel’s pivot. Calcu
- June 2024, Paper 4, Q1(b) (2 marks): The mass of the ball is 0.0075 kg. Calculate the resultant force acting on the ball when it is accelerating downwards at 2.8 m / s2 . resultant force = [2]
- June 2024, Paper 4, Q1(c)(i) (4 marks): Describe what happens to the acceleration between t = 0 and t = 0.040 s. Explain why this happens. [4]
- June 2024, Paper 6, Q1(a) (2 marks): The student measures, and records in Table 1.1, the unstretched length l 0 of the spring. He does not include the loops at the ends of the spring in the measure
- June 2024, Paper 6, Q1(b) (1 mark): The student suspends a load L = 1.00 N from the spring. He records the new length l of the spring in Table 1.1. He calculates the extension e of the spring usin
- June 2024, Paper 6, Q1(c) (4 marks): Plot a graph of L / N (y-axis) against e / cm (x-axis). Start both axes at the origin (0, 0). Draw the best-fit line. 00 [4]
- June 2024, Paper 6, Q1(d) (2 marks): Determine the gradient G of the graph. Show all your working and indicate on the graph the values you use. G = [2]
- June 2024, Paper 6, Q1(e) (2 marks): G is numerically equal to the spring constant k. Record the value of k to a suitable number of significant figures for this experiment. Include the unit. k = [2
- June 2024, Paper 6, Q4 (7 marks): A student investigates the bending of composite strips of wood when they are loaded at one end. The composite strips are made from identical layers of wood stuc
- Specimen, Paper 1, Q6 (1 mark): A student hangs different loads on a spring. The diagrams show the lengths of the spring with different loads. 3.0 cm 6.0 cm 9.0 cm 2.0 N 4.0 N Which row gives
- Specimen, Paper 1, Q7 (1 mark): A beam on a pivot supports a load P at one end and a load Q at the other end. The weight of the beam can be ignored. 30 cm 70 cm pivot P Q The beam is balanced.
- Specimen, Paper 1, Q8 (1 mark): A hole is made in a square tile of uniform thickness. The diagram shows the tile hanging loosely on a nail. Where is the centre of gravity of the tile? A nail t
- Specimen, Paper 2, Q7 (1 mark): A balloon and a mass are attached to a rod that is pivoted at a fixed point P. balloon 45 40 35 30 25 20 15 10 5 P cm mass The balloon is filled with helium, wh
- Specimen, Paper 2, Q8 (1 mark): A hole is made in a square tile of uniform thickness. The diagram shows the tile hanging loosely on a nail. Where is the centre of gravity of the tile? A nail t
- Specimen, Paper 3, Q3(a)(i) (4 marks): The man applies a force of 150 N perpendicular to the bar and at a distance of 0.50 m from the pivot. Calculate the moment of this force about the pivot. Give t
- Specimen, Paper 3, Q3(a)(ii) (1 mark): The force applied by the man produces a turning effect (moment) about the pivot. Describe another example of using the turning effect of a force. [1]
- Specimen, Paper 3, Q3(b) (1 mark): The man tries to use the metal bar to remove another nail from the piece of wood. He applies the same force of 150 N at a distance of 0.50 m from the pivot. The
- Specimen, Paper 4, Q1(b) (2 marks): Without further calculation, state how the acceleration at time t = 100 s compares to the acceleration at time t = 10 s. Using ideas about forces, explain why a
- Specimen, Paper 4, Q2(a) (2 marks): Complete the definitions by giving the name of each quantity. mass × acceleration = force × time = [2]
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