The dot product of force and velocity is__________________?

Related Mcqs:

1. The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

   A. 30°
   B. 45°
   C. 60°
   D. 180°

2. The power is the dot product of ___________ quantities.

   A. Force and time
   B. Force and velocity
   C. Force and speed
   D. None of these

   Submitted by: Muhammad Hassan

3. 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

4. The velocity of sound in air would become double than its velocity at 0°C at temperature ?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

5. The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

6. hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?

   WA. 180°
   B. 0°
   C. 90°
   D. 45°

7. Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

   A. magnetic flux
   B. magnetic field intensity
   C. magnetic induction
   D. self inductance

8. The thrust on the rocket in the absence of gravitational force of attraction is__________________?

   A. Constant
   B. not constant
   C. constant if the rate of ejected gases is constant
   D. constant for short range rocket.

9. 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

10. The dimension of force is__________________?

    A. MLT-1
    B. MLT-2
    C. ML-1T
    D. ML-1T-2