Which of these is a scalar quantity?
A acceleration
B distance
C force
D weight
A student has some cupcake cases - Edexcel - GCSE Physics Combined Science - Question 5 - 2023 - Paper 1
Question 5
Which of these is a scalar quantity?
A acceleration
B distance
C force
D weight
A student has some cupcake cases. One cupcake case is shown in Figure 7.
The s... show full transcript
Worked Solution & Example Answer:Which of these is a scalar quantity?
A acceleration
B distance
C force
D weight
A student has some cupcake cases - Edexcel - GCSE Physics Combined Science - Question 5 - 2023 - Paper 1
Step 1
Which of these is a scalar quantity?
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Answer
The scalar quantity from the options given is B distance. Scalar quantities have only magnitude, while acceleration, force, and weight are vector quantities that also have direction.
Step 2
measure height
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Answer
Measure the height of the stack of cupcake cases before dropping them.
Step 3
measure time of fall
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Answer
Use a stopwatch to measure the time it takes for the cupcake cases to fall to the ground.
Step 4
use (average) speed = distance/time
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Answer
Calculate the average speed using the formula:
ext{speed} = rac{ ext{distance}}{ ext{time}}
Step 5
repeat with different number of cupcake cases in the stack/more cupcake cases
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Answer
Repeat the experiment using different numbers of cupcake cases in the stack to observe how it affects the speed of fall.
Step 6
repeat and average time (for fall for each stack of cupcake cases)
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Answer
For each number of cupcake cases, take multiple measurements and calculate the average time of fall.
Step 7
plot a graph (speed of fall against number of cupcake cases dropped)
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Answer
Finally, plot a graph with the speed of the falling stack on the y-axis and the number of cupcake cases dropped on the x-axis to visualize the relationship.
