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A person pushes a 20 kg shopping cart at a constant velocity for a horizontal distance of 22 m. She pushes with a constant force, F, in a direction 30 degrees below the horizontal. The overall frictional force is horizontal with a magnitude of 50 N.

a) What is F?

b) What is the work done by the force F?

c) What is the work done by the frictional force?

d) What is the work done by the gravitational force?

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Category:- Physics
Reference No.:- M9891798

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