Lakshya Education MCQs

Question: The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
Options:
A. 0.2 R
B. 0.4 R
C. 0.3 R
D. 0.6 R
Answer: Option D

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More Questions on This Topic :

Question 1. The vertical reaction at the support ‘a’ of the structure shown in below figure, is
  1.     1 t
  2.     2 t
  3.     3 t
  4.     3.5 t
Answer: Option C
Question 2. The member which does not carry zero force in the structure shown in below figure, is
  1.     ED
  2.     DC
  3.     BC
  4.     BD
Answer: Option D
Question 3. The vertical reaction at the support ‘a’ of the structure shown in below figure, is
  1.     1 t
  2.     2 t
  3.     3 t
  4.     3.5 t
Answer: Option C
Question 4. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
  1.     0.2 R
  2.     0.4 R
  3.     0.3 R
  4.     0.6 R
Answer: Option D
Question 5. In the structure shown in below figure, the member which carries zero force, is
  1.     AB
  2.     BC
  3.     BE
  4.     All the above
Answer: Option D
Question 6. A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. it will have the maximum centripetal acceleration
  1.     At the start
  2.     At the top of the trajectory
  3.     As it strikes the ground
  4.     Elsewhere
Answer: Option A

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