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Helical Spring
Helical Spring
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1)
Which law is used in the movement of a helical spring?
Hooke’s Law
Pascal’s Law
Gravitational Law
Newton’s Law
2)
Which of the following is correct regarding the helical spring?
F = k/x
F = kx
F = -kx
F = 2kx
3)
Give the condition at which a spring obeys Hooke’s law
The extension of the spring should be less than the elastic limit
The extension of the spring should be greater than the elastic limit
The extension of the spring should equal to the elastic limit
The extension of the spring should be within the elastic limit
4)
The spring constant of a certain spring is calculated as k(e) when measured in earth. If the spring constant of the same spring is calculated on the moon (ie; k(m)), what will be the ratio of the respective spring constants?
1
Cannot determined
1/6
0
5)
How does the force constant depend upon the mass of the load?
None of these
Force constant increases with increase in load
Force constant is inversely proportional to the load
Force constant does not depend on load
6)
Which is the incorrect statement ?
The unit of stress is Nm^2
The unit of stress and modulus of elasticity are same.
Strain has no unit
Young’s modulus has the unit N/m^2
7)
Which of the following is an application of helical springs?
All of the above
Car suspension
Mattress springs
Automatic door closers
8)
Hooke’s Law holds good up to which limit ?
None of these
Elastic limit
Plastic limit
Infinity
9)
What is the unit of spring constant?
Nm^2
N/m
Nm
N/m^2
10)
Find the extension produced by a helical spring of spring constant 30N/m, when a mass of 500g is attached to its end?
None of these
0.016 m
1.6 m
0.16 m
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Cite this Simulator:
amrita.olabs.edu.in,. (2015). Helical Spring. Retrieved 24 April 2017, from amrita.olabs.edu.in/?sub=1&brch=5&sim=197&cnt=521