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a body moves with shm in a straight line and has velocities of 24 m s 1 and 12 m s 1 when it is 250 mm and 400 mm
a machine component of mass 2 kg moves with shm of amplitude 250 mm and periodic time 3 s determine a the maximum
the four-bar linkage shown in figure 253 the crank oa the connecting rod ab and the rocker bc are 20 mm 120 mm and 60
the crank oa of the engine mechanism shown in figure rotates clockwise at a speed of 3000 rpm the length of the crank
in the slider crank mechanism shown in figure 251 the crank oa is 150 mm long and the connecting rod ab is 300 mm long
two straight railway lines running north south and east-west intersect a train running south approaches the crossing at
at an instant in time two ships a and b are separated by a distance of 15 km with ship b southeast of a ship a is
a ship a is travelling at a speed of 30 km h 1 in a direction 60 deg south of east a second ship b is sighted which is
a an aircraft that can travel at 300 km h 1 attempts to fl y due south in a westerly cross-wind of 50 km h 1
a the design specification for a transmission shaft states that the angle of twist must be no more than 1deg over a
a propeller shaft of outer diameter 75 mm and inner diameter 60 mm is made from steel whose shear modulus is 85 gpa and
a solid shaft transmits 16 mw at a speed of 75 rpm the shaft length is 6 m and its diameter is 300 mm the shear modulus
the drive shaft to a boat s propeller is 50 mm in diameter if a 25 mm diameter hole is bored along its length
a horizontal lever 12 m long is made of hollow rectangular section steel tube the depth of which in the plane of
a solid section axle for a heavy vehicle is 225 m long and 175 mm diameter the axle is suspended from the body at
a length of fl at steel strip is to be coiled around a drum 2 m diameter the elastic limit stress of the steel is 216
a rectangular prism has sides of 100 80 and 50 mm before being subjected to a uniform fluid pressure of 80 mpa on all
a cube has sides that are initially 100 mm and is subjected to stresses of 60 mpa tensile 40 mpa compressive and 80 mpa
a a steel tie bar in a structure is initially 2 m long and 25 mm diameter what will be the change in length and
a steel tie bar in a structure is initially 2 m long and 25 mm diameter what will be the change in length and diameter
the crab winch shown in figure has a law of the form e 001 w 75 determine a its velocity ratio b its mechanical
a differential wheel and axle has a wheel diameter of 300 mm and axle diameters of 100 and 75 mm the effort required to
the top pulleys of a weston differential pulley block have diameters of 210 and 190 mm determine the effort required to
a screw jack has a single start thread of pitch 10 mm and is used to raise a load of 900 kg the required effort is 75 n
the height of its center of gravity of a four wheeled vehicle is 11 m above the road surface and equidistant from each