1. The table below shows the parts of a three-pin plug - Edexcel - GCSE Physics Combined Science - Question 1 - 2020 - Paper 1
Question 1
1. The table below shows the parts of a three-pin plug.
| part of plug | safety feature |
|----------------|----------------|
| cable grip | ... show full transcript
Worked Solution & Example Answer:1. The table below shows the parts of a three-pin plug - Edexcel - GCSE Physics Combined Science - Question 1 - 2020 - Paper 1
Step 1
Complete the table by putting a tick (✓) in the box for each safety feature that is present.
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Answer
part of plug
safety feature
cable grip
✓
earth wire
✓
fuse
✓
live wire
neutral wire
Step 2
What is the direction of the resultant force acting on the toy car shown by the arrows?
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Answer
The direction of the resultant force acting on the toy car is down the slope, as indicated by the arrows in the diagram.
Step 3
Calculate the resultant force acting on the toy car. Use the equation: F = ma
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Answer
To find the resultant force, use the formula:
F=mimesa
Given:
Mass (m) = 20 kg
Acceleration (a) = 0.7 m/s²
Substituting these values, we get:
F=20extkgimes0.7extm/s2=14extN
Therefore, the resultant force acting on the toy car is 14 N.
