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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 5
46.
The motion of a particle moving with S.H.M. from an extremity to the other, constitutes
half an oscillation
one full oscillation
two oscillations
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by
5.5 kg
6.25 kg
8.75 kg
10.5 kg.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The velocity of a moving body, is
a vector quantity
a scalar quantity
a constant quantity
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
If two equal forces of magnitude P act at an angle θ, their resultant, will be
P cos θ/2
2P sin θ/2
P tan θ/2
2P cos θ/2
P sin θ/2.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was
0.5 m/sec2
0.7 m/sec2
1 m/sec2
1 cm/sec2.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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