Mechanical Engineering - Engineering Mechanics

16.
The radius of gyration is the distance where the whole mass (or area) of a body is assumed to be concentrated.
Correct
Incorrect
Answer: Option
Explanation:
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17.
If three coplaner forces acting on a point are in equilibrium, then each force is proportional to the sine, of the angle between the other two.
Correct
Incorrect
Answer: Option
Explanation:
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18.
A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
1m
2m
3m
4m
Answer: Option
Explanation:
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19.
In the shown figure, the tension (T) in the string will be
Answer: Option
Explanation:
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20.
When the spring of a watch is wound, it will possess
strain energy
kinetic energy
heat energy
electrical energy
Answer: Option
Explanation:
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