Question 10
Contact forces are forces acting upon two objects in contact. Which of the followi...
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Question 10
Contact forces are forces acting upon two objects in contact. Which of the following does NOT represent a contact force?
A. Pushing an object on the floor.
B. Dropping a marble from the roof
C. Kicking a soccer ball across a field
D. The weight of a pen on a table
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Answers: 3
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