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23 Nov 2019
A person pushes a 16.0-kg shopping cart at a constant velocity fora distance of 26.0 m. She pushes in a direction 23.0° below thehorizontal. A 52.0-N frictional force opposes the motion of thecart.
(a) What is the magnitude of the force that the shopperexerts?
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
A person pushes a 16.0-kg shopping cart at a constant velocity fora distance of 26.0 m. She pushes in a direction 23.0° below thehorizontal. A 52.0-N frictional force opposes the motion of thecart.
(a) What is the magnitude of the force that the shopperexerts?
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
Beverley SmithLv2
30 Jan 2019
