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a village currently carries water by hand from a lake that is 1200 m from the village center it is later determined
you would like to empty the in-ground pool in the back yard but the drain at the bottom of the pool is no longer
a pressure washer available to home owners lists 1300 psi and 2 gpm among its specifications we know however that the
create a spreadsheet for computing the values of the pressure middot head the velocity head the elevation head and the
for the mechanism shown in fig 948 determine the magnitudes directions senses and locations of the inertia forces
in fig 974 two free-body diagrams are shown of a single-cylinder engine in which the rotating masses are
the torque output diagram of fig 976 is for a single-cylinder engine at 3000 rpm determine the weight of a steel
in the punch press shown in fig 978a a slider-crank mechanism with flywheel is used to punch holes in steel plates a
for the mechanism of fig 980 determine the force at the pitch point of the meshed gears due to the inertia force of
a disk cam rotating at 200 rpm lifts a radial roller follower with simple harmonic motion through a maximum
a spring-loaded radial roller follower of a disk cam is lifted through a distance of 50 mm with simple harmonic motion
in a geneva mechanism the pin of the driving wheel exerts a contacting force against the slot of the driven wheel
the rigid rotor of fig 1028 shown with three masses is to be balanced by the addition of a fourth mass determine the
in an experiment the ring of fig 987b makes 107 oscillations in 1 min when supported as shown the ring weighs 1203 lb
in fig 988 is shown a solid thin disk suspended as a torsional pendulum by four weightless strings derive an expression
the rotor of a jet airplane engine is supported by two bearing as shown in fig 984 the rotor assembly including
the gyroscope as shown in fig 983 is often used to demonstrate gyroscopic precession due to the action of the
a jet engine rotor weighs 6700 n determine the amount that the center of gravity of the rotor mass may be eccentric
the degree of unbalance permitted in rotors is often specified by limiting the centripetal acceleration of the center
the rotor with the steel gears shown in fig 1034 was dynamically balanced in a balancing machine by the addition of the
in the scotch yoke mechanism shown in fig 1035 the yoke link 4 is in simple harmonic motion when the crank of length r
for the scotch yoke mechanism of fig 1035 sketch the supporting frame link 1 of the mechanism as a free body and show
draw a sketch of the engine block of the three-cylinder radial engine of fig 1037 and show vectors of forces imposed on
a for the uniaxial strain case find the engineering greens and almansi strain in terms of the stretch lambdab using
a six-field hu-washizu type of variational principle with independent volumetric and deviatoric variables is given