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Calculate value of force:
A 100N force that makes an angle of 45º with the horizontal x axis is to be replaced by the two forces, a horizontal force F and a second force of 75N magnitude. Find out the value of force F.
Sol.: Given 100N force is resultant of 75N and F Newton forces, Draw Parallelogram with Q = 75N and
P = F Newton θ= 45° and α is not given.
We know that
Value of 'F' from equation(i) put in equation(ii), we get
Putting the value of a in equation (i), we get
F = 45.71N
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A multiple disc clutch, steel on bronze, is to transmit 4.5 kW at 750 r.p.m. The inner radius of contact is 40mm and outer radius of the contact is 70 mm. The clutch operates in oi
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