Calculate the density of an object with mass 540 g and volume 200 cm³.
22 marks
Calculate the weight of a 65 kg object on Earth (g = 9.8 N/kg).
32 marks
Calculate the average speed of a runner who travels 400 m in 50 s.
42 marks
Calculate the current in a 4 Ω resistor connected to a 12 V supply.
53 marks
Describe how to plot the magnetic field pattern of a bar magnet.
62 marks
Calculate the density of an object with mass 2.7 kg and volume 0.001 m³.
72 marks
Calculate the weight of a 0.25 kg object on Earth (g = 9.8 N/kg).
82 marks
Calculate the average speed of a runner who travels 3000 m in 600 s.
92 marks
Calculate the current in a 46 Ω resistor connected to a 230 V supply.
102 marks
Calculate the force on a wire of length 0.5 m carrying 3 A at right angles to a magnetic field of 0.2 T.
116 marks
Describe how to measure the density of an irregular stone.
122 marks
Calculate the work done when a force of 250 N moves an object 12 m in the direction of the force.
132 marks
A car changes speed from 0 m/s to 24 m/s in 8 s. Calculate its acceleration.
142 marks
Calculate the current in a 1.5 Ω resistor connected to a 6 V supply.
152 marks
Calculate the force on a wire of length 0.25 m carrying 8 A at right angles to a magnetic field of 0.05 T.
162 marks
Calculate the energy needed to change the state of 0.5 kg of a substance with specific latent heat 334,000 J/kg.
172 marks
Calculate the work done when a force of 40 N moves an object 0.75 m in the direction of the force.
182 marks
A car changes speed from 30 m/s to 10 m/s in 5 s. Calculate its acceleration.
192 marks
A charge of 360 C flows in 120 s. Calculate the current.
204 marks
Explain how a simple electric motor works.
212 marks
Calculate the energy needed to change the state of 0.2 kg of a substance with specific latent heat 2,260,000 J/kg.
223 marks
A spring has a spring constant of 40 N/m. Calculate the force needed to stretch it by 0.15 m and the energy stored.
233 marks
An object starts at 0 m/s and accelerates at 2.5 m/s² over 80 m. Calculate its final speed.
242 marks
A charge of 45 C flows in 15 s. Calculate the current.
252 marks
A transformer has 1000 turns on the primary coil and 50 on the secondary. The primary voltage is 230 V. Calculate the secondary voltage.
261 mark
Which quantity is a vector?
Finished?
Answer every question to finish (26 left), or finish when the time’s up.
Score 0 / 60 · 0 of 26 marked
This paper is written by Plasmo in the style of the OCR GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.