For the following questions answer them individually
Which of the following toothed wheels do not come under the classification according to the position of teeth on the gear surfaces?
Consider the torsion equation given below,
$$\frac{T}{J} = \frac{\tau}{R} = \frac{G \theta}{L}$$
What the term $$\frac{J}{R}$$ represents in the above equation?
The magnitude of the normal stresses in the x and y direction is 100 mpa and 20 mpa respectively. Both the stresses are in tensile in nature. Determine the radius of the Mohr's circle (mm)