AQA · GCSE · Physics
Energy
02.1 · 2 marks Spring Energy Transfer When a spring is compressed, the elastic potential energy of the spring increases. Explain why compressing the springs in the... 02.2 · 4 marks Elastic potential energy stored in the spring calculation When the gymnast lands on the floor, one of the springs compresses by 1.2 cm. spring constant = 8500 N/m. Calculate the elastic...
AQA · GCSE · Physics
Forces
02.3 · 2 marks Measuring spring compression Describe how the compression of the spring could be determined. 05.2 · 1 mark Reaction Time and Thinking Distance The reaction time of the driver was measured. How can the reaction time of the driver be used to calculate the thinking distance? 06.2 · 3 marks Rocket weight during upward acceleration Explain how the weight of the rocket changed as it accelerated upwards. 06.3 · 3 marks Rocket motion after its engine stops At a height of 40 km, the rocket stopped burning fuel. The rocket continued upwards to its maximum height of 60 km. Explain why... 06.4 · 3 marks Parachutes and Terminal Velocity Using parachutes causes the passenger module to fall with a lower terminal velocity than if parachutes were not used. Explain... 02.5 · 1 mark Force Change on Spring Graph Determine the value Δy on Figure 4. 02.7 · 2 marks Spring constant of the spring calculation Determine the spring constant of the spring. Use your answers to Question 02.5 and Question 02.6. Give your answer to 3... 04.3 · 1 mark Newton’s Third Law The electromagnet exerts a force on the permanent magnet. The permanent magnet exerts an equal and opposite force on the... 05.1 · 4 marks Initial velocity of the car calculation At the start of the test the car was moving slowly. Then the car accelerated at 5.8 m/s² for 2.5 s. The final velocity of the...
AQA · GCSE · Physics
Risk assessment
AQA · GCSE · Physics
Waves
03.1 · 1 mark Shared properties of electromagnetic waves Give one other property that is the same for all types of electromagnetic wave. 03.2 · 1 mark Meaning of transverse wave What is meant by ‘transverse wave’? 03.3 · 1 mark Electromagnetic waves for satellite communication Which group of electromagnetic waves is used for satellite communications? 03.4 · 1 mark Visible-light wavelength comparison Visible light is the only group of electromagnetic waves that the human eye can detect. Which colour of visible light has the... 03.5 · 2 marks Risks from high-frequency electromagnetic waves The three highest frequency groups of electromagnetic waves are hazardous. Describe a risk linked to each group of high... 03.7 · 4 marks Electromagnetic Wave Transmission and Detection The electromagnetic waves are produced by oscillations in the transmitter of the mobile phone. Explain how oscillations in the... 01.3 · 3 marks Wavelength of the wave calculation The wave on the string has a frequency of 45.0 Hz. The wave speed is 35.1 m/s. Calculate the wavelength of the wave. 03.6 · 3 marks Frequency of the waves calculation The electromagnetic waves emitted by the mobile phone have a period of 4.0 × 10⁻¹⁰ s. Calculate the frequency of the waves. Use...
AQA · GCSE · Physics
Magnetism and electromagnetism
04.1 · 1 mark Predicting force direction on a wire A force acts on the wire in Figure 6. What is the direction of the force on the wire? Tick (✓) one box. 04.4 · 2 marks Increasing Electromagnet Force Give two changes to the electromagnet that would increase the force exerted on the permanent magnet. 04.5 · 2 marks Reversing Electromagnet Force Give two changes to the electromagnet that would reverse the direction of the force exerted on the permanent magnet. 04.2 · 4 marks Magnetic flux density between the magnets calculation The length of the wire in the magnetic field between the magnets is 80 mm. The current in the wire is 4.6 A. The force on the...