*25. ssm A 1220-N uniform beam is at- tached to a vertical wall at one end and is supported by a cable at the other end. A 1960 N crate hangs from the far end of the beam. Using the data shown in the drawing, find (a) the magnitude of the tension in the wire and (b) the magni- tudes of the horizontal and vertical com- 50.0% Beam ponents of the force that the wall exerts on the left end of the beam. 30.0 1960 N Problem 25

A scaffold of mass 79 kg and length 5.0 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 84 kg stands at a point 1.1 m from one end. What is the tension in (a) the nearer (relative to the person) cable and (b) the farther (relative to the person) cable? (a) Number i Units (b) Number i Units

One end of a 2.00 m uniform meter stick is placed against a vertical wall. The other end is held by a lightweight cord that makes an angle θ with the stick. The coefficient of static friction between the end of the meter stick and the wall is 0.530. When θ = 16.5°, how large must the coefficient of static friction be so that the block can be attached 0.800 [m] from the left end of the stick without causing it to slip?

A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 71.6◦ with the floor. The ladder has a mass 26.6 kg. A 69.16 kg man climbs 82% of the way to the top of the ladder when it slips and falls to the floor.  What is the coefficient of static friction between the ladder and the floor?

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A hungry bear weighing 730 N walks out on a beam in an attempt to retrieve a basket of goodies hanging at the end of the beam (see the figure below). The beam is uniform, weighs 200 N, and is 7.00 m long, and it is supported by a wire at an angle of θ = 60.0°. The basket weighs 80.0 N.   (a) If the wire can withstand a maximum tension of 875 N, what is the maximum distance the bear can walk before the wire breaks?

A uniform ladder of length L and weight w is leaning against a vertical wall. The coefficient of static friction between the ladder and the floor is the same as that between the ladder and the wall. If this coefficient of static friction is μ = 0.435, determine the smallest angle the ladder can make with the floor without slipping. | 0 A 14.0 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 63.0⁰-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 direction vertical force magnitude direction ---Select--- |---Select--- ✓ N N (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? m (c) What If? If oil is spilled on the ground, causing the coefficient of static…

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A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 160 N. The coefficient of static friction between the foot of the ladder and the ground is 0.40. A man weighing 740 N climbs slowly up the ladder. (a) What is the maximum friction force, in Newtons, that the ground can exert on the ladder at its lower end? (b) What is the actual friction force, in Newtons, when the man has climbed 1.0 m along the ladder? (c) How far, in meters, along the ladder can the man climb before the ladder starts to slip?