TS Polytechnic Colleges

a) Machine, b) Mechanical Advantage, c) Velocity Ratio, d) Efficiency. 3.2 Illustrate the use of three classes of simple lever. 3.3 Show that an inclined plane is a simple machine to reduce the effort in lifting loads. 3.4 Derive expression for VR in cases of wheel & axle, simple pulley, screw jack and rack & pinion. ................
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