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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 4
31.
A weight of 100 kg is supported by a string whose ends are attached to pegs A and B at the same level shown in below figure. The tension in the string is
50 kg
75 kg
100 kg
120 kg.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A train weighing 196 tonnes experiences a frictional resistance of per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is
510 m/sec
105 m/sec
53 m/sec
35 m/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The reaction at the support B of the beam shown in below figure is
1.6 t
9.6 t
8.5 t
0.5 t.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A stone is whirled in a vertical circle, the tension in the string, is maximum
when the string is horizontal
when the stone is at the highest position
when the stone is at the lowest position
at all the positions.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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