In each of the diagrams below one or more external forces, Ask an Expert

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In each of the diagrams below, one or more external forces act on the indicated system. Which of the forces listed below are the reaction to the external force mentioned? (Select all that apply.)

(a) the mower exerts a force

upward on the Earth due to gravitational attraction

downward on the ground due to contact

downward on the Earth due to gravitational attraction

upward and to the left on the handle

upward on the ground due to contact

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