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Mechanical Engineering - Engineering Mechanics

Exercise : Engineering Mechanics - Section 4
36.
The time taken by a particle for one complete oscillation is known as periodic time.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The velocity ratio of a first system of pulleys with 4 pulleys is
4
8
16
20
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
One joule means that
work is done by a force of 1 N when it displaces a body through 1m
work is done by a force of 1 kg when it displaces a body through 1 m
work is done by a force of 1 dyne when it displaces a body through 1 cm
work is done by a force of 1 g when it displaces a body through 1 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The moment of inertia of a sphere of mass m and radius r, about an axis tangential to it, is
2mr2/3
2mr2/5
7mr2/3
7mr2/5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The velocity ratio for the first system of pulleys is(where n is the number of pulleys.)
n
n2
2n
2n - 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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