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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 3
21.
A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,
5 N
10 N
15 N
25 N
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
For a simple pendulum, time period for a beat, is
πl/g
π2l/g
πg/2l
πl/2g
π2g/l.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is
1/4
1/2
3/4
2.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The apparent weight of a man in a moving lift is less than his real weight when it is going down with
uniform speed
an acceleration
linear momentum
retardation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
P is the force acting on a body whose mass is m and acceleration is f. The equation P - mf = 0, is known as
equation of dynamics
equation of dynamic equilibrium
equation of statics
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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