Rotational Motion-Values of Moments of Inertia (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 12 - 14 of 14
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Question number: 12
» Rotational Motion » Values of Moments of Inertia
Question
A long rod has a mass of 5 kg and length 2 m. The moment of inertia about an axis passing through the center and perpendicular to the length of rod will be
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0.01 kg-m 2 |
|
| b. | 1.66 kg-m 2 |
|
| c. | 0.008 kg-m 2 |
|
| d. | 0.001 kg-m 2 |
|
Question number: 13
» Rotational Motion » Values of Moments of Inertia
Question
A constant torque of 3.6 N-m is exerted on a pivoted wheel. If angular acceleration of wheel is 6π rad/sec 2, then the moment of inertia of the wheel is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2.5 kg-m 2 |
|
| b. | 1.21 kg-m 2 |
|
| c. | 0.6 kg-m 2 |
|
| d. | 2.5 kg-m 3 |
|
Question number: 14
» Rotational Motion » Values of Moments of Inertia
Question
Moment of inertia of a ring of mass m = 10 gm and radius r = 5 cm about an axis passing through its edge and parallel to its natural axis is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 8 gm-cm 2 |
|
| b. | 500 gm-cm 2 |
|
| c. | 10 gm-cm 2 |
|
| d. | 1 gm-cm 2 |
|