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In a system a lever needs and effort of 200N to lift a load of 350N. The end of the lever arm moves 50cm and the load moves 20cm. a) Determine the mechanical advantage b) Determine the velocity ratio c) Determine the efficiency of the system.
A cylindrical bar of aluminum 19 mm (0.75 in) in diameter is to be deformed elastically by application of a force along the bar axis. Using E=10 psi (Modulus of Elasticity), determine the force that will produce an elastic reduction of 1e-4 in. in..
Two equal masses are connected on either side of a pulley. One of the masses rests on an inclined plane with angle of inclination of b. The other one hangs in mid air.
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
An oven door consists of a layer of asbestos sandwiched between a layer of steel on the inner surface and a layer of wood on the outer face
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2m.
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
Using the knon height and calculated base lenghth, what is the length of the slope of the ramp.
a particle of mass m is at rest at the origin of a coordinate system.nbsp at t 0 a force of the form f bt2e-lambdat
piston and flywheelconsider the one-cylinder four-stroke engine assembly shown in figure 1. the mass of the piston p is
At what location s will the combined moment of the weights of the man and platform about point B be zero?
Coefficient Reaction, The removal efficiency of a reactor tank is 73-percent and its residence time is 28.5s
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