An 800-N Man Stands Halfway Up a 5

question 25

Multiple Choice

An 800-N man stands halfway up a 5.0 m ladder of negligible weight. The base of the ladder is 3.0 m from the wall as shown. Assuming that the wall-ladder contact is frictionless, the wall pushes against the ladder with a force of:

• A) 150 N
• B) 300 N
• C) 400 N
• D) 600 N
• E) 800 N

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