हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान कक्षा ११

A particle undergoes uniform circular motion. The angular momentum of the particle remain conserved about, ______

Advertisements
Advertisements

प्रश्न

A particle undergoes uniform circular motion. The angular momentum of the particle remains conserved about, ______

विकल्प

  • the centre point of the circle

  • the point on the circumference of the circle

  • any point inside the circle

  • any point outside the circle

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

A particle undergoes uniform circular motion. The angular momentum of the particle remains conserved about, the centre point of the circle.

shaalaa.com
Rotational Dynamics
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Motion of System of Particles and Rigid Bodies - Evaluation [पृष्ठ २६०]

APPEARS IN

सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 11 TN Board
अध्याय 5 Motion of System of Particles and Rigid Bodies
Evaluation | Q I. 7. | पृष्ठ २६०

संबंधित प्रश्न

A thin walled hollow cylinder is rolling down an incline, without slipping. At any instant, without slipping. At any instant, the ratio "Rotational K.E.: Translational K.E.: Total K.E." is ______.


On what factors does the frequency of a conical pendulum depend? Is it independent of some factors?


Somehow, an ant is stuck to the rim of a bicycle wheel of diameter 1 m. While the bicycle is on a central stand, the wheel is set into rotation and it attains the frequency of 2 rev/s in 10 seconds, with uniform angular acceleration. Calculate:

  1. The number of revolutions completed by the ant in these 10 seconds.
  2. Time is taken by it for first complete revolution and the last complete revolution.

A big dumb-bell is prepared by using a uniform rod of mass 60 g and length 20 cm. Two identical solid spheres of mass 25 g and radius 10 cm each are at the two ends of the rod. Calculate the moment of inertia of the dumb-bell when rotated about an axis passing through its centre and perpendicular to the length.


A hollow sphere has a radius of 6.4 m. what is the minimum velocity required by a motorcyclist at the bottom to complete the circle. 


Derive an expression for maximum safety speed with which a vehicle should move along a curved horizontal road. State the significance of it.


A body weighing 0.5 kg tied to a string is projected with a velocity of 10 m/s. The body starts whirling in a vertical circle. If the radius of the circle is 0.8 m, find the tension in the string when the body is at the top of the circle.


Derive an expression for the kinetic energy of a rotating body with uniform angular velocity. 


A railway track goes around a curve having a radius of curvature of 1 km. The distance between the rails is 1 m. Find the elevation of the outer rail above the inner rail so that there is no side pressure against the rails when a train goes around the curve at 36 km/hr. 


A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise its temperature to a certain value, its speed of rotation ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×