65 A block is of width 60 mm and weight W. A force P is applied to block at height h. Coefficient of friction between block and floor is 0.3. Upto what height h force can be applied so that the block slips without tipping? (a) 120 mm (c) 105 mm h 60 mm μ = 0.3 (b) 110 mm (d) 95 mm

A 500-N concrete block is to be lifted by the pair of tongs shown. 500 N 45 mm 90 mm 45 mm 90 mm 75 mm D 105 mm E 360 mm 315 mm 500 N G Determine the normal force (this is horizontal) in N perpendicular to the friction force on each tong in contact with the block.

Question Bank-Friction The two uniform sheets of plywood, each of length L and weight W, are propped as shown. If the coefficient of static friction is 0.5 at all three contact surfaces, determine whether the sheets will remain at rest. 60 Technolagy Druen by anontien Will the sheets be at rest? Yes or No? Yes Provide F/N PrtSc F5 FG F7 F8 F9 F10 F11 F12

The assembly is subjected to a vertical shear of V=55 kip Figure B- 2 in. 0.5 in. 0.5 in. 6 in.. 2 in. 0.5 in. 6 in. < 1 of 1 0.5 in. 0.5 in. Part A Determine the shear flow at point A (Eigure 1) Express your answer with the appropriate units. 9A= Submit Part B μA 9B = Value Request Answer HÅ Determine the shear flow at point B Express your answer with the appropriate units. Value lb in ● Submit Request Answer - 1) ? B ? lbin-1)

SHOW YOUR SOLUTION.

Determine the losses in the post-tensioned concrete beam as shown below. 560 mm Given: POST-TENSIONED BEAM with A PARABOLIC TENDON PROFILE Span Length = 20 m fi = 1200 N/mm² A, = 2850 mm² Ac 4.23x105 mm² 1=9.36x10¹0 mm e-560 mm (@midspan, from N.A.) fc= 40 N/mm² Es = 210,000 N/mm² μ = 0.19 K = 0.0005 (per meter) Anchorage slip = 5 mm (jacked at left-end only). (make sure to draw the force variation diagram for anchorage slip) V/S= 6 RH = 70 Dead Load 9.97 kN/m fpy = 1714 N/mm² Bridge Width III

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PRETEST: Solve the following problems completely. 1. An object with dimension 1x2x3m and specific gravity of 0.89 is submerged seawater (sg=1.01). a. Determine the volume of the submerged. b. Determine the volume above the fluid surface c. Determine the magnitude of the buoyant force. 2. A block of wood with having a square cross-sectional dimension of 0.6mx0.4m and is submerged in water. Determine the buoyant force acting on the body if the thickness of the object is 2".

Show work, answer = -8.00kN

The 1.25-in.-diameter bent rod is subjected to the load F = {330i +325j - 2502} lb Part A Determine the maximum torsional stress in the rod at a section located through B Express your answer to three significant figures and include appropriate units. (Tmax) B 25.97 μA ksi Submit Previous Answers Request Answer SINC ? * Incorrect; Try Again; 9 attempts remaining