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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 3
31.
The resultant of two forces acting at right angles is 34 kg and acting at 60° is 70 kg. The forces are
1 kg and 4 kg
2 kg and 3 kg
3 kg and 5 kg
3 kg and 5 kg
3 kg and 5 kg.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The velocity of a body fallen from height h, on reaching the ground is given by
v = 2gh
v = 2gh2
v = 2gh
v = 1/2gh
h2/2g
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is
9.3 m/sec
8.3 m/sec
7.3 m/sec
6.3 m/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
μ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is
μ
2μ
3μ
μ.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The necessary condition of equilibrium of a body, is :
algebraic sum of horizontal components of all the forces must be zero
algebraic sum of vertical components of all the forces must be zero
algebraic sum of the moments of the forces about a point must be zero
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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