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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)
Determine the dimensions of the tank: A conical water tank is to be fabricated from steel plate of 10 mm thickness. The shell should contain an apex angle (α) 15o. If the perm
Draw the Free-Body Diagram: A 3 m long boom (Figure) is held by a ball and socket joint at A and by two cables CD and BE. It carries load of 20 kN at B. Draw the Free-Body Dia
Heat Dissipation : During clutch application, large amount of heat is generated. The rubbing surfaces should have sufficient area and mass to absorb the generated heat. The proper
what is the velocity and acceleration when connecting rod and crank are mutually perpendicular?
LOW ALLOY CREEP RESISTING ELECTRODES AND ELECTRODES FOR CRYOGENIC APPLICATIONS The flux coating contains small amount of alloying elements like Cr, Mo and sometimes V for creep r
A 68.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.780 and 0.430, respectively. (a) What horizontal pushing force i
Explain Internal Broaching - Types of Broaching Internal broaching operation is adopted for producing internal surface such as holes, keyways and teeth of an internal gear for
A bump/impact test is a simple technique used to determine a structure’s natural frequency. Sketch a typical time wave response curve of such a test, then label the impact point an
mean effective pressure of dual cycle
what is the factors affecting process planning?
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