A uniform ladder of mass (m = 15.0 kg) and length (L) leans against a frictionless...
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?
Homework Answers
Take Moment about the base of the ladder
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Cancel L
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Consider all horizontal forces
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A uniform ladder of mass (m = 15.0 kg) and length (L) leans
against a frictionless...
A uniform ladder of mass (m = 14.0 kg) and length (L) leans against a frictionless...
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?
8. A uniform ladder of mass (m = 14.5 kg) and length (L) leans against a...
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
A uniform ladder of mass m and length l leans at an angle against a frictionless...
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...
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.
A uniform stationary ladder of length L = 5.5 m and mass M= 11 kg leans against a smooth vertical wall
A uniform stationary ladder of length L = 5.5 m and mass M= 11 kg leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ=0.35. The ladder makes an angle θ=54° with respect to the floor. A painter of mass 8M stands on the ladder a distance d from its base.Part (a) Find the magnitude of the normal force N, in newtons, exerted...
a uniform ladder of mass of mass 23 kg and length 3.8 m leans against wall...
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
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 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?
Problems. 1. A uniform ladder of mass m and length / leans at an angle against...
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 stationary ladder of length L = 4.2 m and mass M = 19 kg...
A uniform stationary ladder of length L = 4.2 m and mass M = 19 kg leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ = 0.38. The ladder makes an angle θ = 53° with respect to the floor. A painter of mass 8M stands on the ladder a distance d from its base. a. Find the magnitude of the normal...
A uniform ladder of mass 23kg and length 3.8m leans against a wall at an angle...
A uniform ladder of mass 23kg and length 3.8m leans against a wall at an angle of 65° above the horizontal. The wall is a frictionless surface. The coefficient of static friction between the floor and the bottom of the ladder is 0.35. How far along the ladder (in meters) can a 74kg person go before the ladder begins to slip? 1.35 3.15 3.48 2.78
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
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.
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 23kg and length 3.8m leans against a wall at an angle of 65° above the horizontal. The wall is a frictionless surface. The coefficient of static friction between the floor and the bottom of the ladder is 0.35. How far along the ladder (in meters) can a 74kg person go before the ladder begins to slip? 1.35 3.15 3.48 2.78
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