If a lift is going up with acceleration, the apparent weight of a body is:

Related Mcqs:

1. A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

   A. Infinite B. T/g C. Zero D. g/T...

2. A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?

   A. mg B. mg – ma C. mg + ma D. mg – ma...

3. A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?

   A. 9.8 N B. 19.6 N C. 129.4 N D. 39.2 N...

4. When the body moves with terminal velocity the acceleration in the body become_____________?

   A. 0 B. Maximum C. Variable D. Infinite...

5. 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...

6. A man lifts vertically a weight of 40kg through 1m in 10s; while a chile lifts vertically a weight of 10kg through a distance of 1m in 1s. What will be correct inference ?

   A. man does more work than child B. child does more work than man C. both do the same amount of work D. it is a foolish question...

7. A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire ?

   A. 0.01J B. 0.02J C. 0.04J D. 1.0J...

8. If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?

   A. 0 B. 89N C. 9.8 N D. 10N...

9. The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?

   A. -1 B. 1 C. 2 D. -2...

10. The average acceleration caused by gravity per second is____________?

    A. 22 feet B. 32 feet C. 52 feet D. 42 feet Submitted by: Yalmaz Fahim...