CameraIcon

SearchIcon

MyQuestionIcon

6

You visited us 6 times! Enjoying our articles? Unlock Full Access!

Relation between Linear and Angular Speed

When a body i...

Question

When a body is rotating in a plane about a fixed axis its angular momentum is directed along:

A

the radius

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

the tangent to the orbit

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

The axis of rotation

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

line at an angle of

45^{0}

to the axis of rotation

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B The axis of rotation
Relationship between force(F) , torque( $τ$ ), momentum(p) and angular momentum(L) vectors in a rotating system. 'r' is the radius.

Suggest Corrections

thumbs-up

0

Similar questions

A uniform rod is fixed to a rotating turntable so that its lower end is on the axis of the turntable and it makes an angle of

20^{0}

to the vertical. (The rod is thus rotating with uniform angular velocity about a vertical axis passing through one end.) If the turntable is rotating clockwise as seen from above.

What is the direction of the rod's angular momentum vector (calculated about its lower end) ?

Q. A body rotating about a fixed axis has a kinetic energy of

360 J

when its angular speed

30 r a d / s e c

. The moment of inertia of wheel about its axis of rotation is

Q. A body rotates about a fixed axis with an angular acceleration of

1 r a d / s e c^{2}

. Through what angle does it rotate during the time in which its angular velocity increases from

5 r a d / s

15 r a d / s

Q. A body rotates about a fixed axis with an angular acceleration of one radian/second. Through what angle does it rotate during the time in which its angular velocity increases from 5 rad/s to 15 rad/s.

Q. A circular ring of diameter 40cm and mass I kg is rotating about an axis normal to its plane and passing through the (time with a frequency of 10 rotations per second. Calculate the angular momentum about its axis of rotation.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Relative

PHYSICS

Watch in App

explore_more_icon

Explore more

Relation between Linear and Angular Speed

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon