A. 9.8 N
B. 19.6 N
C. 129.4 N
D. 39.2 N
Related Mcqs:
- 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 - If a lift is going up with acceleration, the apparent weight of a body is:
A. More than the true weight
B. More or less the true weight
C. Less than the true weight
D. Equal to the true weightSubmitted by: Naveed Tahir
- 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 - 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 - When the body moves with terminal velocity the acceleration in the body become_____________?
A. 0
B. Maximum
C. Variable
D. Infinite - 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 theseSubmitted by: Bareera Mahmood
- An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?
A. 3.5 x 10-3 J
B. 3.5 x 104 J
C. 3.5 x 106 J
D. 3.5 x 109 J - The acceleration of a projection on the diameter for a particle moving along a circle is_______________?
A. w2x
B. wx2
C. w2x
D. wx2 - Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
A. 2.5
B. 2.0
C. 1.75
D. 1.5
E. 1.25Submitted by: Mansoor Ul Haque
- 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
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