A stepladder consisting of two legs pinned together at C is resting on a rough floor. Will a 800N worker be able to change the light bulb if he is required to climb to a height of 1.3 m? The uniform legs AC and BC weigh 110 N and 70 N, respectively. The coefficient of static friction at A and B is 0.48. 13 m 60 60 3.2 m

Q: PROBLEM 12.31 A 10-1b block B rests as shown on a 20-ls bracket A. The coefficients of friction are…

A: from image finding the equationL=x0-xa+xp-xa+yc0=VB-VA+0-Va+VCsince B does not slide ,…

Q: find the inside diameter of the pipe

A: Internal Diameter = 59.61 mm

Q: At a constant speed with the wind, the sailboat is driven by a 1170-lb force against its mainsail…

A: Given Two forces 1170 lb and 370 lb we have to find R and magnitude of M

Q: A 3.25 m long (L) steel pipe has a mass of 625 kg and is lifted by a crane attached to cable CD.…

A:

Q: 150-lb block is placed on a 33° incline and released from rest. The coefficient of static fric 0.46.…

A:

Q: A "hawser" is wrapped around a fixed "capstan" to secure a ship for docking. If the tension in the…

A: This is the problem based on belt friction. The force decreased exponentially with

Q: 6. A horizontal force of P-100 N is just sufficient to hold the crate from sliding down the plane,…

A: Step 1:Step 2:Step 3:Step 4:Step 5:Therefore,

Q: Example 6.3: A steel joist, simply supported over a span of 6 m carries a point load of 50 kN at 1.2…

A:

Q: The top box weighs 125 lbs. and the bottom box weighs 150 lbs. The coefficient of static friction…

A: Given : Weight of top box = 125 lbs weight of bottom box = 150 lbs coefficient of static friction =…

Q: A pulley with diameter D = 27 in weighs 80 lb. It is mounted on the diameter d = 2-in axle. A weight…

A: To calculate pull needed;P = Teμ0

Q: The timber member of Example 1 is used as a simply supported beam on a 16-ft span carrying a…

A: A simply supported beam of span, L = 16ft is loaded with a UDL of 400lb/ft.The cross-section is b x…