Question 1
Four springs A, B, C and D are made of four different materials.
Use the equation: Force = Extension × Spring constant
Which of the springs has the greatest spring constant?
[1]
OCR GCSE Combined Science A (Gateway) Physics Paper 5 Foundation June 2018 question paper J250/05
Practise the past exam questions by topic
Forces & elasticity19 Qs
Electrical charge & current17 Qs
Gravity & weight13 Qs
Scalar & vector quantities15 Qs
Electromagnetism10 Qs
Power15 Qs
Structure of an atom16 Qs
Specific heat capacity18 Qs
Describing motion along a line51 Qs
Current, resistance & potential difference17 Qs
Resistors & I-V characteristics12 Qs
Series & parallel circuits12 Qs
Standard circuit diagram symbols8 Qs
Density14 Qs
Newton's laws of motion18 Qs
Work done & energy transfer16 Qs
+12 more
OCR J250 · Paper 5
16 questions
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Question 2
What is the current at point Q in the circuit?
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Question 3
What is the gravitational field strength on Earth?
A 1.0 N/kg
B 1.6 N/kg
C 10.0 N/kg
D 98.9 N/kg
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Question 4
Which of the following is a scalar quantity?
A Displacement
B Distance
C Force
D Velocity
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Question 5
A solenoid can be used to produce a magnetic field.
Which of the following increases the magnetic field strength produced?
A Decreasing the current
B Decreasing the number of turns
C Increasing the current
D Removing magnetic material from the core
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Question 6
Which of the following transfers the most energy?
A 1.0 kW over one hour
B 2.0 kW over two hours
C 3.0 kW over one hour
D 500 W over four hours
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Question 7
Which of the following is not part of the atomic model?
A Almost all of an atom’s mass is contained in the nucleus.
B An atom’s nucleus contains positive neutrons.
C An atom’s nucleus is located in the centre of the atom.
D An atom’s nucleus is surrounded by electrons.
[1]
Question 8
Which row, A, B, C or D shows the largest change in thermal energy?
| Mass (kg) | Specific heat capacity (J/kg °C) | Temperature change (°C) | |
| A | 1 | 4200 | 40 |
| B | 1 | 4200 | 20 |
| C | 2 | 4200 | 10 |
| D | 2 | 4200 | 5 |
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Question 9
Question 10
Question 11
A student has one cell and two lamps. She wishes to connect them so that both lamps have maximum brightness.
(a)
Draw a complete circuit diagram to show how she can achieve this.
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(b)
The student then investigates an unknown component. She records values for current through the component and the potential difference across the component.
| Potential difference (V) | Current (A) |
| 1.0 | 0.5 |
| 2.0 | 1.0 |
| 3.0 | 1.5 |
| 4.0 | 2.0 |
| 5.0 | 2.5 |
(b)(i)
Plot a graph of the data and draw a line of best fit.
One of the points has already been completed for you.
[3]
(b)(ii)
Describe what these results show.
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(b)(iii)
Calculate the resistance of the unknown component.
Use the equation: Resistance = Potential difference ÷ Current
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Question 12
A student wishes to calculate the average speed of a toy car travelling down a ramp. He releases the car without pushing it from the start point A.
He takes measurements of distance and time.
(a)(i)
Write down the instruments the student could use to measure distance and time.
[2]
(a)(ii)
State how he can calculate the average speed using these measurements.
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(b)
The student has an idea about this experiment. He thinks that the greater the angle of the ramp, the greater the average speed of the car.
Look at his results.
| Angle (°) | Distance (m) | Time (s) | Average speed (m/s) |
| 10 | 1.2 | 1.9 | 0.63 |
| 20 | 1.2 | 2.0 | |
| 30 | 1.2 | 1.3 | 0.92 |
(b)(i)
Calculate the average speed for the 20° angle.
Write your answer to 2 significant figures.
[3]
(b)(ii)
Do these results support the student’s idea?
Explain your answer.
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(c)
Another student thinks that this experiment could be improved.
Suggest one problem with this experiment and explain how the experiment could be improved.
[3]
Question 13
13* The graph below shows the change in temperature of a material as it cools.
Describe the graph and explain what it tells us.
[6]
Answer
Question 14
(a)
A student has a wooden cube.
Explain how she could find the density of the wooden cube.
Include the measurements needed.
[3]
(b)
When a material changes state, its density changes.
Explain how.
Use ideas about particles.
You may draw diagrams of solids, liquids and gases to help.
[4]
Question 15
During launch, a rocket accelerates when the upwards force is greater than the downwards force.
(a)(i)
Name the upwards and downwards forces on the rocket during launch.
[2]
(a)(ii)
At launch, the upwards force is 10 000 N and the downwards force is 8 000 N.
Write down the size of the resultant force in Newtons.
[1]
(a)(iii)
The rocket has a mass of 800 kg.
Calculate its acceleration.
Use the equation: Force = Mass × Acceleration
[3]
Question 16
(a)
A student uses a small motor to lift a toy car through a vertical distance of 1.0 m.
The car has a weight of 0.05 N.
(a)(i)
Calculate the work done when lifting the car through this distance.
[3]
(a)(ii)
Calculate the power of the motor if the car takes 5.0 seconds to travel the 1.0 m distance.
State the unit.
[4]
(b)
The motor uses 2 cells in series.
Each cell has a potential difference of 1.5 V.
(b)(i)
Write down the total potential difference of the cells.
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(b)(ii)
The motor has a resistance of 6.0 
.
Calculate the current in the circuit when the motor is in use.
Use the equation: Potential difference = Current × Resistance
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(c)
The student wishes to increase the time taken to lift this toy car vertically through the 1.0 m distance shown.
Suggest a change he could make to this experiment to achieve this.
[1]
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