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WorksheetsHooke's Law
Total questions: 12
Worksheet time: 26mins
Name
Class
Date
1.
Hooke's Law fails when a material reaches its:
a)
breakdown
b)
elastic limit
c)
end of tether
d)
fracture stress
2.
If F is force, k is spring constant and x is extension, Hooke's Law tells us that:
a)
F=k/x
b)
x=Fk
c)
k=Fx
d)
F=kx
3.
A spring has a spring constant of 5N/cm. What is its extension when loaded with 15N?
a)
4cm
b)
5cm
c)
3m
d)
3cm
4.
Which of the following springs is the stiffest?
a)
A spring that requires a froce of 2000 N to compress it by 6.8 m.
b)
A spring that requires a force of 4000 N to stretch it by 9.0 m.
c)
A spring that requires a force of 8000 N to compress it by 45 m.
d)
A spring that requires a force of 4800 N to stretch it by 14 m.
5.
What Quantity can you calculate from the graph and give the magnitude of that quantity.
a)
distance 4.5 m
b)
Force 15 N
c)
spring constant 20 N/m
d)
spring constant 200 N/m
6.
Which of the following is a true statement regarding springs?
a)
The higher the value of the spring constant, the stiffer the spring.
b)
In Hooke's law, the force exerted by the spring acts in the same direction as displacement.
c)
Springs are designed to provide unpredictable variations in force.
d)
The force exerted by a spring has a quadratic relationship with the displacement form equilibrium.
7.
A 25,000 N Car is supported by 4 springs. If each spring is deflected by 0.040 m what is the spring constant?
a)
160,000 N /m
b)
620,000 N/m
c)
630,000 N/m
d)
120,000 N/m
8.
A stiff material has a:
a)
high spring constant
b)
low spring constant
c)
spring constant of any value
d)
spring constant which is difficult to predict
9.
If extension = Stretched length - original length. What is the extension of spring D.
a)
1mm
b)
2mm
c)
3mm
d)
0mm
10.
In which direction is the pictured spring's restoring force acting?
a)
To the right.
b)
To the left.
c)
There is no restoring force.
d)
Both left and right.
11.
A force of 470 N is applied to stretch a spring which has a spring constant, k=1100 N/m. How much does the spring stretch past its free length?
a)
0.214 m
b)
2.34 m
c)
0.427 m
d)
5.17 X 10^5 m
12.
What type of force is shown inside of the picture?
a)
Tension
b)
Friction
c)
Elastic
d)
Gravitational
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