A person pushes a 22.2-kg shopping cart at a constant velocity for a distance of 39.0 m on a flat horizontal surface. She pushes in a direction 33.3° below the horizontal. A 34.8-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? Determine the work done by (b) the pushing force, (c) the frictional force, and (d) the gravitational force.

A person pushes a 22.2-kg shopping cart at a constant velocity for a distance of 39.0 m on a flat horizontal surface. She pushes in a direction 33.3° below the horizontal. A 34.8-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? Determine the work done by (b) the pushing force, (c) the frictional force, and (d) the gravitational force.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 7PE: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...

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