Civil Engineering - Applied Mechanics - Discussion

Discussion Forum : Applied Mechanics - Section 2 (Q.No. 23)
23.
A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length
must be decreased
must be increased
is not changed but weight of the bob is increased
is not changed but weight of the bob is decreased
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Imran ali said:   4 months ago
I think the Correct answer must be A.

Rawal said:   1 year ago
If the period has enhanced by 2 minutes then the length should be deceased as the period is directly proportional to the square root of the length.

Mushtaq Ahmad said:   3 years ago
T=2π*[(squareroot of l/g)].

Hence time period of second pendulum is directly proportional to square root of its length.
(1)

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