The drag force on a cannonball falling through the air does not depend upon what factor?...
The drag force on a cannonball falling through the air does not depend upon what factor?
Group of answer choices
the density of air
the cannonball's cross-sectional area
the cannonball's mass
the cannonball's drag coefficient with air
the cannonball's speed
Homework Answers
When a solid body moves through a fluid (a gas or liquid), the fluid in contact with the solid is dragged with it. Relative velocities are established between the layers of fluid near the solid so that viscous forces start operating. The fluid exerts viscous force on the solid to oppose the motion of solid. The magnitude of viscous or dragged force depends on the shape and size of the solid body, it's speed and coefficient of viscosity of the fluid.
So it should not be dependent on the density of air.
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.
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