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a mass of 100 kg is uniformly accelerated upwards on a light cable by a hoist for a period of 5 s to a speed of 175 m s
a motor car of total mass 1 tonne is accelerated uniformly from rest to a speed of 60 km h 1 up an incline of gradient
a lift cage of mass 4000 kg is raised by a hoist drum of mass 750 kg diameter 15 m and radius of gyration 600 mm the
an open-ended mixing drum is a thin cylinder of length 13 m diameter 600 mm and wall thickness 5 mm the drum is made
a period of 10 min is required for an applied torque of 12 knm to accelerate a flywheel of mass 2tonnes and radius of
when the steam supply is cut off a turbine rotor of mass 850 kg is retarded uniformly under the effects of a 125 nm
a rotating disc of mass 25 kg and radius 150 mm is accelerated from 500 to 3000 rpm in a time of 25 s if there is a
a determine the applied torque required to accelerate a rotor of mass 100 kg and radius of gyration 500 mm from a speed
a mixing drum is accelerated from 50 to 160 rpm in a time of 20 s by a driving torque of 25 nm determine a the angular
the drive to a flywheel is disconnected and in 30 s it is seen to have rotated through 120 revolutions 30 s later it
a flywheel is uniformly accelerated from rest to a speed of 120 rpm whilst rotating through 60 revolutions the applied
an applied torque of 6 nm causes the speed of a machine part to increases uniformly from 300 to 500 rpm whilst rotating
the speed of an electric motor is increased uniformly from 1200 to 1350 rpm in a time of 15 s find a the angular
determine the load f which the double strap butt joint shown in figure can carry the rivets are 6 mm in diameter with
figure shows a riveted lap joint determine a suitable diameter for the rivets if the ultimate shear strength of the
a mild steel plate of thickness 15 mm has a 50 mm diameter hole punched in it if the ultimate shear stress of the steel
a steel reinforced concrete column of height 3 m has a square cross-section with sides of 375 mm if the column contains
a compression member is made up of a mild steel bar 38 mm in diameter which is encased in a brass tube of inner
a compound strut consists of a steel tube of length 1 m outer diameter 35 mm and inner diameter 25 mm which is brazed a
a duralumin tie bar of diameter 40 mm and length 600 mm carries a tensile load of 180 kn if the bar contains a 30 mm
a brittle cast iron bar is heated to 140degc and then rigidly clamped so that it cannot contract when cooled the bar is
a metal component of initial length 600 mm undergoes an increase in length of 005 mm when loaded at a temperature of 18
a steel spacing bar of length 05 m is assembled in a structure whilst the temperature is 20degc what will be its change
sketch the shear force and bending moment diagrams for the simply supported beams and cantilevers shown in figures
the very thin tube a of mean radius r and length l is placed within a fixed circular cavity as shown if the cavity has