Due to the relative motion of observer and frame of reference time:

Related Mcqs:

1. In an angular motion, Newton’s second law of motion is_____________?

   A. F=ma
   B. F=τp/It
   C. Στ = I α
   D. All above

2. An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

   A. greater than one meter
   B. less than one meter
   C. one meter
   D. a foolish question

3. The current through a metallic conductor is due to the motion of _________________?

   A. free electrons
   B. protons
   C. neutrons
   D. still under controversy

4. When body is in motion, ____________ always changes?

   A. its velocity
   B. its acceleration
   C. its position vector
   D. its momentum

5. Which law of motion is also called law of inertia ?

   A. 1st law
   B. 2nd law
   C. 3rd law
   D. all 1st, 2nd and 3rd laws

6. Which of the following is not an example of projectile motion ?

   A. a gas filled ballon
   B. bullet fired from gun
   C. a football kicked
   D. a base ball shot

7. When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?

   A. zero
   B. minimum
   C. infinity
   D. maximum

8. The period of a circular motion is given by_______________?

   A. T = πv
   B. T = πw
   C. T = 2πr
   D. T = 2πr/v

9. When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is__________________?

   A. Vibratory motion
   B. Linear motion
   C. Rotatory motion
   D. Angular motion

10. The force responsible for the vibratory motion of the simple pendulum is_________________?

    A. mg cosθ
    B. mg sinθ
    C. mg tonθ
    D. mg