QUESTION 5 A 250 kg man climbe a 10 m, 40 kg ladder successfully to its top. The ladder is set at 60 degrees between the ladder and the flat ground. The contact between the ladder and the vertical wal is frictionless. What is the smallest value of static friction between the ladder and the floor that would allow him NOT to slip? Oa0.50 O b. 0.55 Oc.0.60 Od.0.65 O. 0.70
QUESTION 5 A 250 kg man climbe a 10 m, 40 kg ladder successfully to its top. The ladder is set at 60 degrees between the ladder and the flat ground. The contact between the ladder and the vertical wal is frictionless. What is the smallest value of static friction between the ladder and the floor that would allow him NOT to slip? Oa0.50 O b. 0.55 Oc.0.60 Od.0.65 O. 0.70
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Transcribed Image Text:QUESTION 5
A 250 kg man climbe a 10 m, 40 kg ladder successfully to its top. The ladder is not at 60 degrees between the ladder and the flat ground. The contact between the ladder and
the vertical wall is frictionless. What is the smallest value of statio friction between the ladder and the floor that would allow him NOT to slip?
O0.50 Ob.0.55 Oc.0.60 Od.0.65 O0.70
QUESTION 6
A 2000 kg beam is attached to a wall at the beam's left end by a hinge to the wall. The beam is supported by a cable anchored in the wall and attached to the right ond of the
20 m beam. The cable is attached to the beam making a 40 degree angle between the horizontal beam and the cable. What must the tension in the cable be?
Oa 8762 N Ob. 10540 N OC. 12793 N od 13647 N Oe. 15246 N
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