A person pushes a 160 kg shopping cart at a constant


A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 30.0 m. She pushes in a direction 26.0° below the horizontal. A 40.0 N frictional force opposes the motion of the cart.

(a) What is the magnitude of the force that the shopper exerts?

N

(b) Determine the work done by the pushing force.

J

(c) Determine the work done by the frictional force.

J

(d) Determine the work done by the gravitational force.

J

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Physics: A person pushes a 160 kg shopping cart at a constant
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