A 355 N uniform ladder of length L8.00 m leans against a smooth (frictionless) wall The ladder makes an angle of 50.0 angle with the horzontal ground and the force of static friction keeps the ladder from sliding to the left. An 875 N firefighter has climbed d 6.30 m along the ladder trom the bottom What is the force of static friction , between the ladder and the ground?

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A 1350N window washers platform, 3.5 m long is suspended by two vertical wires at its ends. A 600N person is standing 2.0m form the right end. What are the tensions on both sides in two wires?

4. A uniform beam of mass m, and length L is supported as shown below. There is a pin in theb bottom end of the beam and a mass of mass m, hanging from the top end of the beam. Find the magnitude of the tension in the wire attaching the beam to the ground and force from the pin on the beam.

A 129N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 5 degrees with the horizontal. What is the tension in the rope?

A uniform ladder 10.o m long weighing 50.0 N rests against a smooth wall (no frictional force between ladder and wall). If the coefficient of static friction is .360 and makes a 60 degree angle with respect to the horizontal, what is the frictional force and how far along the ladder can a 70.0 kg painter climb before ladder begins to slip?

weight of monkey is 6250 g which stands on a stable ladder of mass 12700 g and length Z. The ladder restsagainst a frictionless wall at an angle of 49.0° with respect to the horizontal. The ladder is onthe brink of slipping when the monkey is one-third of the way up the ladder.(a) Draw a force diagram for the ladder, and label your x andy axes on your diagram. (b) Find the normal force exerted by the wall on the ladder.Be sure to indicate on your diagram where you haveplaced the pivot point for the torque equation, and explainthe reason for your choice. (c) Find the normal force exerted by the ground on theladder and find the coefficient of static friction between the ladderand the ground. (d)Explain how each of the two normalforces calculated above are involved in determining thisvalue.

A uniform ladder of mass (m= 13.5 kg) and length (L) leans against a frictionless wall. If the angle ©60.0°, find the static friction force between the ladder and the floor when a 60.0-kg person stands two-third of the wayup the ladder?

A 14.0 m uniform ladder weighing 510 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. B. If the ladder is just on the verge of slipping when the firefighter is 9.40 m from the bottom, what is the coefficient of static friction between ladder and ground? C. If oil is spilled on the ground, causing the coefficient of static friction to drop to half the value found in part (b), what is the maximum distance (in m) the firefighter can climb along the ladder from the bottom before the ladder slips?

A ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the angle between the ladder and the horizontal is a. The coefficient of static friction between the ladder and the wall and between the ladder and the ground is jistatic = 0.66. The centre of mass ofthe ladder is halfway along it. Draw a diagram indicating all the forces acting on the ladder, and state what each force represents. Also show the direction of the a- and y-axes you will use.