The minimum coefficient of friction for a solid sphere to roll without slipping on an inclined plane of inclination 45° is

1.  2/7

2.  1/3

3.  1/2

4.  2/5

Subtopic:  Rolling Motion (OLD NCERT) |
 70%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A wheel is rolling along a horizontal ground with a speed o 10 m/s. The magnitude of the velocity of the points at the extremities of the horizontal diameter of the wheel is equal to

(1) 210  m/s

(2) 10 m/s

(3) 10 m/s

(4) 102 m/s

Subtopic:  Rolling Motion (OLD NCERT) |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A body of mass m is projected at a velocity v0
with an angle of projection θ. Angular momentum
L of body after time t w.r.to origin is proportional to:
1. Lt                                     2. Lt2
3. Lt0                                    4. Lt

Subtopic:  Angular Momentum |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A mass M is moving with constant velocity parallel to the X-axis. Its angular momentum with respect to origin is:

1.  Zero

2.  Remains constant

3.  goes on increasing

4.  goes on decreasing

Subtopic:  Angular Momentum |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

If I is the moment of inertia of a solid sphere about an axis parallel to diameter of a shpere and at a distance x from it. Which of the following graph represents the variation of I with X?

Subtopic:  Moment of Inertia |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A particle is rotating under the central force, in which one of the following quantities is constant:

1.  torque

2.  angular momentum

3.  linear momentum

4.  none of these

Subtopic:  Angular Momentum |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A small object of uniform density rolls up a curved surface with an initial velocity \(v.\) It is reached upto a maximum height of \(\frac{3v^{2}}{4g}\) with respect to the initial position. The object is:

           

1. ring
2. solid sphere
3. hollow sphere
4. disc

Subtopic:  Rolling Motion (OLD NCERT) |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A point is at (x, y, z). What is its moment of inertia about x-axis:

                          

1.  mx2+y2+z2

2.  mx2+y2

3.  my2+z2

4.  mx2+z2

Subtopic:  Moment of Inertia |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The disc is placed on the rough horizontal surface given only angular velocity ω0. The velocity of the centre of mass when it starts pure rolling is:

1.  ω0R2

2.  ω0R3

3.  ω0R4

4.  ω0R6

Subtopic:  Rolling Motion (OLD NCERT) |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A force 2N is along line y = 3x + 4. The torque about the origin is:

1.  510Nm

2.  710Nm

3.  610Nm

4.  810Nm

Subtopic:  Torque |
 52%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh