Multiple Choice
Which of the following lists correctly identifies all the forces acting on a skydiver with an open parachute during steady descent?
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6. Intro to Forces (Dynamics)
Types Of Forces & Free Body Diagrams
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In a free-body diagram, air resistance acting on an object moving through the air is best classified as which type of force?
A
A normal force exerted by a surface perpendicular to the object’s motion
B
A long-range gravitational force exerted by Earth regardless of the object’s motion
C
A frictional (drag) force exerted by a fluid that opposes the object’s motion
D
A tension force transmitted through a rope or cable attached to the object
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Types Of Forces & Free Body Diagrams practice set
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