Physics Paper 5 June 2025 Foundation tier, Question 2 1 mark
A box is at rest on flat ground.
Which diagram shows the correct direction of the normal contact force acting on the box?
Reveal mark scheme
OCR GCSE Combined Science
Topic questions Forces Scalar and vector quantities
15 questions · 48 marks · about 1 hour
A box is at rest on flat ground.
Which diagram shows the correct direction of the normal contact force acting on the box?
The diagram shows an aeroplane moving forwards, looking from above.
There is a large forward force from its engines. There is also a smaller sideways force from the wind, blowing to the right.
Which is the correct free body force diagram? (Ignore all other forces acting on the aeroplane.)
Quantities such as distance, speed and velocity can be a scalar quantity or a vector quantity.
Which row of this table is correct?
| Distance Speed Velocity | |
| A | scalar vector scalar |
| B | vector scalar vector |
| C | scalar scalar vector |
| D | vector vector scalar |
A student is investigating how force affects acceleration. They set up this apparatus.
Explain how they should use this apparatus to find acceleration.
Include any extra equipment they need.
Two forces act to reduce the acceleration of the car.
One of these forces is air resistance.
Name the other force.
Suggest how the teacher can reduce the effect of this other force.
The table shows the studentβs results.
| Force applied to car (N) | Acceleration of car (m / s2) |
| 0.30 | 0.51 |
| 0.60 | 1.02 |
| 0.90 | 1.53 |
Suggest two changes the student could make to improve the validity of their results.
Predict the acceleration if a force of 1.2 N was applied to the car.
Use data from the table.
Acceleration =........ m / s2
Mass is an example of a quantity which has a magnitude, but no direction.
What scientific term is used for this type of quantity?
Which row describes the difference between a vector quantity and a scalar quantity?
| Has magnitude Has direction | |
| A | scalar only vector only |
| B | vector and scalar vector only |
| C | vector and scalar scalar only |
| D | vector only vector and scalar |
Velocity is a vector.
Which row is correct for velocity?
| Has size? | Has direction? | |
| A | no | no |
| B | no | yes |
| C | yes | no |
| D | yes | yes |
Student A says:
βThe displacement from Room 1 to Room 4 is the same as the distance travelled from Room 1 to Room 4.β
Use calculations to explain why student A is incorrect.
Draw two lines from each word to the correct descriptions.
Student B runs along the corridor from Room 1 to Room 2.
Fig. 11.2 is a graph of their motion:
Calculate the acceleration of student B during the first 2 seconds.
Use the equation: acceleration = change in velocity / time
Acceleration =........ m / s2
Describe the motion of the student between 2 and 10 seconds.
Student C starts running along the corridor from Room 1 to Room 2 at the same time as student B.
Their acceleration is less than student B βs acceleration.
Add a line to Fig. 11.2 to show the acceleration of student C.
Fig. 12.1 shows a picture of a ball on a field. The ball is not moving.
Fig. 12.2 shows part of a free-body force diagram for the ball.
The force is drawn to scale. 1 cm = 1 N.
Complete the free-body force diagram by adding in the missing force.
Which word describes this missing force?
Contact Electrostatic Gravity Magnetic
A person kicks the ball.
Complete the sentences explaining what happens to the ball.
Choose words from the list.
You may use each word once, more than once or not at all.
balanced
forces
gravity
masses
speed
unbalanced
The........ on the ball are........
Therefore the........ of the ball changes.
The mass of the ball is 0.4 kg.
How much force is needed to accelerate the ball at 400 m / s2?
Use the equation: force = mass Γ acceleration
Fig. 12.3 shows the person placing the ball so it touches a wall.
He now kicks the ball directly at the wall.
The ball changes shape. Explain why.
13* This is the plan view of a corridor in a school building.
The arrow XY shows the path student A takes to walk around the corridor from Room 1 to Room 2
Student A takes 120 seconds to walk from point X to point Y. Student B describes the motion:
βThe average velocity of student A is greater than their average speed.β
βThis is because their displacement is greater than the distance they travel.β
Evaluate these statements.
Use calculations to help explain your answer.
Some quantities are vectors and some are scalars.
Which row of the table is correct?
| Vector | Scalar | |
| A | Speed | Displacement |
| B | Speed | Distance |
| C | Velocity | Displacement |
| D | Velocity | Distance |
Some quantities are vectors and some are scalars.
Which row of the table is correct?
| Vector | Scalar | |
| A | Speed | Displacement |
| B | Speed | Distance |
| C | Velocity | Displacement |
| D | Velocity | Distance |
Which of the following is a scalar quantity?
A Displacement
B Distance
C Force
D Velocity
During launch, a rocket accelerates when the upwards force is greater than the downwards force.
Name the upwards and downwards forces on the rocket during launch.
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.
The rocket has a mass of 800 kg.
Calculate its acceleration.
Use the equation: Force = Mass Γ Acceleration
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