A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?

Related Mcqs:

A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?

A. K.E hoop = K.E disc B. K.E hoop = 2K.E disc C. K.E hoop = 1/2K.E disc D. K.E hoop = 4K.E disc...

The critical speed of an artificial satellite is_______________?

A. 8 Kms-1 B. 8.1 Kms-1 C. 7.9 Kms-1 D. 8 ms-1...

Geostationary satellite completes one rotation around the earth in_______________?

A. 3 hours B. 6 hours C. 12 hours D. 24 hours...

In case of planets the necessary acceleration is provided by______________?

A. Gravitational force B. Frictional force C. Coulomb force D. Centripetal force...

A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be_____________?

A. πR B. 2π R C. 0 D. 4πR...