Unit: type the regents category here
Year: 1997 Question#: 57
Question:
A soccer ball travels the path shown in the diagram at the right. which vector best
represents the direction of the force of air friction on the ball at point P?
(1
)  |
(2
)  |
(3
)  |
(4
)  |
What is this question really asking?
Explanation by: Jarrett S
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Answer 1
Incorrect. Air friction cannot be in the same direction as the velocity.
INCORRECT
The air friction cannot be in the same direction as the velocity of the object.
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Answer 2
Correct. Air friction is opposite the object's velocity.
CORRECT
The air friction is opposite the direction of the velocity.
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Answer 3
INCORRECT
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Answer 4
INCORRECT
Air friction will cause the object to travel toward the earth as will gravity, but
the vector of air friction is not is this direction.
The force toward the earth is not air friction!
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What's this question really asking?
What is the relationship between velocity and friction vectors?
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