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 ?

Related Mcqs:

1. A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2

   A. 22N
   B. 16N
   C. 20N
   D. 4N

   Submitted by: Huzaifa Naseer

2. The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________________?

   A. 1 N
   B. 10 N
   C. 100 N
   D. none

3. 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______________?

   A. Maximum
   B. Zero
   C. Equal to the weight of the stone
   D. Less than the weight of the stone

4. 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

5. 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

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

   A. Weight
   B. Momentum
   C. Tension
   D. Torque

   Submitted by: hamza khan

7. The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?

   A. magnitude
   B. direction 
   C. both
   D. None of these

   Submitted by: Bareera Mahmood

8. When collision between the bodies in a system is inelastic in nature then for system ____________________?

   A. momentum changes but K.E remain conserve
   B. K.E changes but momentum remain conserve
   C. both momentum and K.E changes
   D. both momentum and K.E remain conserve

9. When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?

   A. Centripetal force
   B. Gravitational force
   C. Their inertia
   D. Centrifugal force

10. What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m2 when the force acting on the wire is 5N ?

    A. 1A
    B. 10A
    C. 100A
    D. 1000A