Question 2 Calculate the forces and clockwise moments caused by the gondolas act

Question

Question 2 Calculate the forces and clockwise moments caused by the gondolas acting about the fulcrum at angles 0 a 0°, 90°. Use figure (i (and justify) your assumptions and measurements. (a) b) In the case of the Falkirk wheel In a set of scales the axis of rotation is often above the beam. Given figure (ii). c) What is the net moment acting about the fulcrum at angles 0 90, 45, 0 c) Why are scales designed this way? e) Why is the axis of rotation not set below the Pinned at fulcrum gondola SCALES AND WEIGHTS Pinned (ii) 100 mm

Explanation / Answer

d) and e) The physical balnce is designed in such way so that it is in stable equilibrium.For stable equilibrium you need the centre of mass to be at less height,otherwise there will be disturbing torque acting on it.Same is case if you res a book on its flat sarface it rests easily but if rest it on narrow surface it will tumble down easily.For small angles declination the angle of tilt is proportional to the mass hanging on that side.

for question a) please draw the angle which you are mentioning

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