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:

1. If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?

   A. At the highest point B. At the lowest point C. At any point during motion D. At the point where gravity is not acting...

2. When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by______________?

   A. Mass of a body B. Velocity of body C. The tension in the string D. Centripetal acceleration...

3. A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?

   A. (F1+F2) (121+122) B. (F1+F2) (122-112) C. (F1+F2) (12-11) D. (F1+F2) (12-11)...

4. A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?

   A. 4.00 s B. 5.00 s C. 6.00 s D. 7.00 s Submitted by: Maryum...

5. The direction of the linear velocity of a body moving in a circle is______________?

   A. along the axis of rotation B. along the tangent C. directed towards the centre D. directed away from the centre...

6. If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?

   A. 4 rad. S-1 B. 5 rad. S-1 C. 1.6 rad. S-1 D. 2.8 ms-1...

7. What is the outward force acting on a mass of 10 kg when rotating at one end an inelastic string 10m long at speed of 1m/s ?

   A. 1N B. 10N C. 2N D. 100N...

8. A force applied on a body through the string is called_________?

   A. Weight B. Momentum C. Tension D. Torque Submitted by: hamza khan...

9. The speed of stationary waves in a stretched string are independent of___________________?

   A. Number of loops B. Tension in the string C. Point where string is plucked D. both A and C...

10. The first overtone of a stretched string of given length is 320 Hz. The first harmonic is_________?

    A. 320 Hz B. 640 Hz C. 160 Hz D. 480 Hz Submitted by: Tauseef Ali...