A disc of mass 16 kg and radius 25 cm is rotated about its axis. What torque will increase its angular velocity from 0 to `8 pi` rad/s in 8 s ?

Question

A disc of mass 16 kg and radius 25 cm is rotated about its axis. What torque will increase its angular velocity from 0 to `8 pi` rad/s in 8 s ?

A disc of mass 16 kg and radius 25 cm is rotated about its axis. What torque will increase its angular velocity from 0 to `8 pi` rad/s in 8 s ?
A. `pi Nm`
B. `pi//2 Nm`
C. `pi//4 Nm`
D. `2pi Nm`

Monjur Alahi

4 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 = (MR^(2))/(2)xx((omega_(2)-omega_(1)))/(t)`

4 views Answered 2023-02-05 15:29