Photo AI
A man pulls a suitcase with a horizontal force, F, as shown in Figure 5 - Edexcel - GCSE Physics Combined Science - Question 4 - 2016 - Paper 1
Question 4
A man pulls a suitcase with a horizontal force, F, as shown in Figure 5. Two other forces acting on the suitcase are labelled P and Q. (i) Which of these gives the ... show full transcript
Worked Solution & Example Answer:A man pulls a suitcase with a horizontal force, F, as shown in Figure 5 - Edexcel - GCSE Physics Combined Science - Question 4 - 2016 - Paper 1
Step 1
Which of these gives the correct names for the forces P and Q?
Answer
To identify the forces P and Q, we first analyze their directions relative to the suitcase. Force P acts vertically upwards, likely indicating that it is a support force, commonly referred to as 'reaction' in context with surfaces. Force Q acts horizontally opposing the direction of motion, which typically represents 'friction' when a force is trying to pull or push an object. Therefore, the correct names for the forces P and Q are:
- Force P: reaction
- Force Q: friction
Thus, the answer is Option B.
Step 2
Draw a diagram to represent the situation, showing all the relevant forces acting on the suitcase.
Answer
In the diagram, we would illustrate the suitcase being pulled by the horizontal force F. The upward force P (reaction) would be represented acting vertically upward at the center of the suitcase. The friction force Q would be illustrated acting horizontally to the left, opposing the forward motion of the suitcase. Overall, the diagram would clearly depict:
- Force F (horizontal, in the pulling direction)
- Force P (vertical, upwards)
- Force Q (horizontal, opposing the movement)
This visual representation helps in understanding the balance of forces acting on the suitcase.