The following picture depicts a man apply an external force to a push mower. Which of the forces below are the reaction to the external force being applied by the man? Select all that apply.  A. Upward and to the left of the handle B. Upward on the ground due to contact C. Upward on the earth due to gravitational attraction D. Downward on the ground due to contact E. Downward on the earth due to gravitational attraction

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