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Under the action of constant force, a 2kg block moves such that its position x as a function of time is given by X=t^3/3 ,where x in meters and t in sec , the workdone by force in first 2 seconds isA 26.6 jB 3.3 jC 16 jD 32 jSolution) v=dx/dt=t^2,a=dv/dt=2t,f(t)=ma(t),w=∫f(t)*v(t) dt (from x=0 to x=2 sec)
assignment on the topics of preservation of safety & accident
what are the threats of mechanical engineering ?
Q. How to define automatic float operated gauges? In recording type gauges, automatic float operated gauges are more common. The well for the float provides room for installati
Q. How can we use of Shrinkage allowance? Since metal shrinks on solidification and contracts further on cooling to room temperature, linear dimensions of the pattern is increa
how to find mass of sleeve in porter governor
High Carbon Tool Steels Tools are implements such are employed to shape, cut or deform other materials. They are largely made in steel, although other alloys have also been i
Takt Time for sand blasting: Tatk time is crucial in manufacturing process. It determines the speed of production to produce a product. Time is money toward prod
Find out force on each member - Truss: A truss is as shown in the figure given below. Find out force on each member and the nature of it. Sol.: First we calculate sup
Piston: It is a cylindrical component fitted into the cylinder forming the moving boundary of the combustion region. It fits perfectly (snugly) into the cylinder providing a gas-
Commutator The function of a commutator is to change alternating current induced in the armature into unidirectional current. The commutator is of cylindrical shape and is made
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