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final answer = 19.8 degrees
A massless ladder of length L has a mass M one-third of the way up, and a mass 2M two- thirds of ...
5. A 80 kg person is two-thirds way up a uniform ladder of length 3.5 m and mass 40 kg that is leaning against a wall. The coefficient of static friction between the ladder and wall is 0, and that between ladder and floor is 0.4. What is the maximum angle between the ladder and the wall before the ladder starts slipping? A) 33.70 B) 32° C) 28.872 D) 45.81 E) 62.40
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making an angle of 49° with the horizontal. The coefficient of static friction between the ladder and the ground is 0.45. If your mass is four times that of the ladder, how high can you climb before the ladder begins to slip?
A uniform ladder of mass (m = 14.0 kg) and length (L) leans against a frictionless wall, see figure. If the angle θ = 60.0°, find the static friction force between the ladder and the floor when a 60.0-kg person stands two-third of the way up the ladder?
A uniform ladder of mass (m = 15.0 kg) and length (L) leans against a frictionless wall, see figure. If the angle θ = 52.0°, find the static friction force between the ladder and the floor when a 95.0-kg person stands two-third of the way up the ladder?
A uniform ladder of mass m and length
l leans at an angle
against a frictionless wall. A person of mass M climbs 90% of the
way to the top (at 0.9l). Find an expression for the minimum
coefficient of static friction needed to keep the ladder from
slipping.
A uniform ladder of mass m and length l leans at an angle q against a frictionless wall. A person of mass M climbs 90% of the way to the top (at 0.9l). Find an expression for the minimum coefficient of static friction needed to keep the ladder from slipping.
8. A uniform ladder of mass (m = 14.5 kg) and
length (L) leans against a frictionless wall, see figure.
If the angle θ = 70.0°, find the static friction force between the
ladder and the floor when a 80.0-kg person stands half way up the
ladder?
N
Slipping Ladder. A ladder of length 6 m and mass 15 kg leans against a wall at an angle 30° with respect to the wall. The ladder is frictionless against the wall but against the ground it has js = 0.4. How high can a 70 kg person climb before the ladder slips?
Problems. 1. A uniform ladder of mass m and length / leans at an angle against a frictionless wall. A person of mass M climbs 90% of the way to the top (at 0.91). Find an expression for the minimum coefficient of static friction needed to keep the ladder from slipping. I
a uniform ladder of mass of mass 23 kg and length 3.8 m leans against wall at an angle 65 degrees above the horizontal. the wall is a frictionless surface. the coefficient of static friction is 0.35. how far along the ladder can a 74 kg person go before the ladder begins to slip