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Applied Mechanics - Engineering

Q1:

The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

A 0.2 R

B 0.3 R

C 0.4 R

D 0.5 R

E 0.6 R.

ANS:E - 0.6 R.

r the center of gravity of a quadrant of a circle does not result in a value of 0.6R. It seems there was an error in the calculation. Let's correct the calculation: The center of gravity of a quadrant of a circle lies along its central radius at a distance of: 4/3π​×R Where R is the radius of the circle. Let's calculate this: 4/3π​×R≈0.4244×R Therefore, the correct distance of the center of gravity of a quadrant of a circle from the center along its central radius is approximately 0.4244R, not 0.6R.