Question
In: Physics
A 5 m uniform ladder leans against a frictionless wall. The coefficient of friction between the...
A 5 m uniform ladder leans against a frictionless wall. The coefficient of friction between the ladder and the floor is 0.35. The base of the ladder is 4 m from the wall. If the ladder weighs 50 N, and a person is 3 m up the ladder (2 m from the top), what is the most this person could weigh without causing the ladder to slide? Show all work.
Solutions
genius_generous answered 2 years agoRelated Solutions
A uniform 5-m long ladder weighing 80 N leans against a frictionless vertical wall. The...
A uniform 5-m long ladder weighing 80 N leans against a
frictionless vertical wall. The foot of the ladder is 1 m from
the wall. What is the minimum coefficient of static friction
between the ladder and the floor necessary for the ladder not to
slip?
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making...
A uniform ladder of length L and mass m leans against a
frictionless vertical wall, making an angle of 57° with the
horizontal. The coefficient of static friction between the ladder
and the ground is 0.42. If your mass is four times that of the
ladder, how high can you climb before the ladder begins to
slip?
L
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making...
A uniform ladder of length L and mass m leans
against a frictionless vertical wall, making an angle of 55° with
the horizontal. The coefficient of static friction between the
ladder and the ground is 0.40. If your mass is four times that of
the ladder, how high can you climb before the ladder begins to
slip?
1A) A 47.8 kg, 3.6 m uniform ladder leans against a frictionless wall. A 87.7 kg...
1A) A 47.8 kg, 3.6 m uniform ladder leans against a frictionless
wall. A 87.7 kg person is standing on the ladder down 0.98 m from
the top of the ladder. The ladder makes an angle of 70 degrees with
the horizontal. What is the minimum coefficient of static friction
between the ladder and the ground so that the ladder does not
slip?
1B) A 198.3 kg uniform, horizontal beam is hinged at one end and
at the other is...
A 45.4 kg, 3.8 m uniform ladder leans against a frictionless wall. A 99.1 kg person...
A 45.4 kg, 3.8 m uniform ladder leans against a frictionless
wall. A 99.1 kg person is standing on the ladder down 1.04 m from
the top of the ladder. The ladder makes an angle of 50 degrees with
the horizontal. What is the minimum coefficient of static friction
between the ladder and the ground so that the ladder does not
slip?
A 14.0 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes...
A 14.0 m uniform ladder weighing 480 N rests against a
frictionless wall. The ladder makes a 63.0°-angle with the
horizontal.
(a)
Find the horizontal and vertical forces (in N) the ground exerts
on the base of the ladder when an 850-N firefighter has climbed
4.10 m along the ladder from the bottom.
horizontal force
magnitude Ndirection ---Select--- towards the wall away from the
wall
vertical force
magnitude Ndirection ---Select--- up down
(b)
If the ladder is just on the...
A 14.0 m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes...
A 14.0 m uniform ladder weighing 490 N rests against a
frictionless wall. The ladder makes a 59.0°-angle with the
horizontal. (a) Find the horizontal and vertical forces (in N) the
ground exerts on the base of the ladder when an 810-N firefighter
has climbed 4.10 m along the ladder from the bottom. horizontal
force magnitude N direction vertical force magnitude N direction
(b) If the ladder is just on the verge of slipping when the
firefighter is 9.40 m...
A ladder having a uniform density and a mass m rests against a frictionless vertical wall,...
A ladder having a uniform density and a mass m rests
against a frictionless vertical wall, making angle 48.0° with the
horizontal. The lower end rests on a flat surface where the
coefficient of static friction is µs = 0.370. A window
cleaner with mass M = 2m attempts to climb the
ladder. Given a ladder length of L, what fraction of the
length of the ladder (x / L) will the worker have reached
when the ladder begins to...
A ladder of mass 30 kg and length 5m leans against a frictionless wall. The angle...
A ladder of mass 30 kg and length 5m leans against a
frictionless wall. The angle between the ladder and the wall is 37
degree. (a) what is the force between the ladder and the wall? (b)
a 60 kg man now climbs up to the midpoint of the ladder, what is
the force at the base of the ladder (magnitude and direction).? (c)
what must be the coefficient of friction so that the mass can climb
all the way...
A uniform 6.0-m-long ladder of mass 15.0 kg leans against a smooth wall (so the force...
A uniform 6.0-m-long ladder of mass 15.0 kg leans against a
smooth wall (so the force exerted by the wall, F→W, is
perpendicular to the wall). The ladder makes an angle of 25.0 ∘
with the vertical wall, and the ground is rough.
Determine the coefficient of static friction at the base of the
ladder if the ladder is not to slip when a 77.0-kg person stands
three-fourths of the way up the ladder.
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