8. A 150 kg man (and the load he carries) is going up a leaning 25 kg ladder. Th
ID: 2301718 • Letter: 8
Question
8. A 150 kg man (and the load he carries) is going up a leaning 25 kg ladder. The ladder is set at 70o. The floor and ladder have a coefficient of friction of 0.3. The wall is frictionless. How far up the 5 m long ladder can he safely climb?
a) 3.0 m b) 3.5 m c) 4.0 m d) 4.5 m e) 5.0 m (top)
9. A table, dimensions as shown, is sat on by a 100 kg man. He sits on the edge. If the table does not tilt and fall over, what is the minimum mass for the table?
a) 25 kg b) 40 kg c) 50 kg d) 75 kg e) 100 kg
10. A 60 kg woman sits near the edge of a 20 kg table, dimensions as shown. If the table does not tilt and fall over, then what is the minimum distance from the table
Explanation / Answer
8 d) 4.5 m
9 b) 40 kg
10 e) 0.25 m
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.