A coin is projected horizontally from the top of a desk - AQA - A-Level Physics - Question 23 - 2021 - Paper 1
Question 23
A coin is projected horizontally from the top of a desk.
The diagram shows the coin at one point in its path. The air resistance is negligible.
The arrows E, F and ... show full transcript
Worked Solution & Example Answer:A coin is projected horizontally from the top of a desk - AQA - A-Level Physics - Question 23 - 2021 - Paper 1
Step 1
Acceleration
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Answer
At the moment the coin is projected, the only force acting on it is the gravitational force, which acts downward. Therefore, the acceleration of the coin is directed downwards, represented by arrow F.
Step 2
Momentum
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Answer
The momentum of the coin consists of both horizontal and vertical components. Since the coin is projected horizontally, its momentum will still be primarily horizontal at that point, represented by arrow E.
