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- 1. A truck is weighing 1.4 KN moves up a slope of 15 °. What is the force generated by the engine if the truck is accelerating at a rate of 3 m/s2? Assume the coefficient of friction is μ =0.1.Block A weighs 10.5 lb and block B weighs 6.5 lb. The static friction coefficient between blocks A & B is 0.32. The static friction coefficient between blocks B and the inclined surface is 0.37. If the incline is ? = 30∘ what is the smallest force P required for motion?Determine the coefficient of sliding friction, μk, between the block and the surface?
- If the coefficient of static friction between Wedge A and Crate B is 0.32 and between other contacting surfaces is 0.10, determine the minimum force P to raise crate B if the weights of A and B are WA=1670 N WB=2170 Nhttps://www.bartleby.com/questions-and-answers/if-the-coefficient-of-static-friction-between-wedge-a-and-crate-b-is-0.32-and-between-other-contacti/17427fa7-e42b-483b-bb40-15d4d6337be5The motorcycle weighs 151 kg and the driver weighs 64 kg. Dimension l1 = 0,31 m ja l2 = 0,23 m Determine the required coefficient of frictionwhat is the the value of friction force if an object of mass 100 kg is pulled in the horizontal surface having coefficient of friction of 0.25
- A) what direction does friction act on at point A? B) a ladder weighs 20lbs on a rough floor (us=.8) and against the smooth wall at point B. Determine the horizontal force P the man must exert in the ladder in order to cause it to move. Also determine whether it slips or tips.A flywheel rim has a mean diameter of 500 mm and weight 120 kg. The density of the flywheel material is 7200 kg/m3. Which of the following is the thickness of the flywheel if the rim width is twice its thickness? choices: 146 mm 103 mm 52 mm 73 mmIf block A and wedge B have masses. What is the mass of block C if it is on the verge of slipping? All surfaces have a coefficient of static friction of μ. The cable connecting wedge B and block C is parallel with the incline. Use g = 9.806 m/s². Indicate the direction of impending motion for each FBD. μ = 0.15Mass of A = 64kgMass of B = 130 kgα = 22°β = 12°
- A 12 ft ladder weighing 40 lb is placed. When a 180 lb man reaches a point 8ft from the lower end, the ladder is about to slip. Determine the coefficient of friction between the ladder and the floor. The coefficient of friction between the ladder and the wall is 0.20. The angle between the floor and the ladder is 60 degrees.Six 5 N blocks are stacked vertically. The coefficient of static friction between the blocks is µs = 0.20. Determine the horizontal force that must be applied to the fifth block from the top of the stack, in order to slide it out without moving the other blocks.Piston ① has a diameter of 0.35 in.; piston ② has a diameter of 1.3 in. In the absence of friction, determine the force necessary to support the 500-lb weight. (Enter magnitude.) lb.