A body whose moment of inertia is `3 "kgm"^(2)`, is at rest. It is rotated for 20 s with a moment of force 6 Nm. Find the angular displacement of the

Question

A body whose moment of inertia is `3 "kgm"^(2)`, is at rest. It is rotated for 20 s with a moment of force 6 Nm. Find the angular displacement of the

A body whose moment of inertia is `3 "kgm"^(2)`, is at rest. It is rotated for 20 s with a moment of force 6 Nm. Find the angular displacement of the body. Also calculate the work done.
A. 60 J
B. 2400 J
C. 120 J
D. 4800 J

Monjur Alahi

8 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`tau = I alpha` and `theta = omega_(1) t+(1)/(2) alpha t^(2)`
Work done `= tau theta`

8 views Answered 2023-02-05 15:29