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Consider following statements (1) CM o...

Consider following statements
(1) CM of a uniform semicircular disc of radius R is 2R/`pi` from the centre
(2) CM of a uniform semicircular ring of radius R is 4R/3`pi` from the centre
(3) CM of a solid hemisphere of radius R is 4R/3`pi` from the centre
(4) CM of a hemisphere shell of radius R is R/2 from the centre
Which statements are correct?

A

1, 2, 4

B

1, 3, 4

C

4 only

D

1, 2 only

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-CENTRE OF MASS-Exercise - 2 (Level-I)
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  8. Two persons of mass m(1) and m(2) are standing at the two ends A and B...

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  10. Two persons of mass m(1) and m(2) are standing at the two ends A and B...

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  11. A small ball B of mass m is suspended with light inelastic string of l...

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  12. A small ball B of mass m is suspended with light inelastic string of l...

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  13. A small ball B of mass m is suspended with light inelastic string of l...

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  14. A small ball B of mass m is suspended with light inelastic string of l...

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  15. A uniform chain of length 2L is hanging in equilibrium position, if en...

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  16. A uniform chain of length 2L is hanging in equilibrium position, if en...

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  17. A straw of length L, mass M lies over a smooth horizontal table with i...

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