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Answer the questions in 4 pi
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LABORATORY 20 - Mass on a spring, Simple Harmonic
Motion
Pre laboratory assignment
1. Describe in words and give an equation for the kind of force that produces simple harmonic
motion.
F
=
-ky (Hooke’s law )
k
y
=
=
spring Constant
Displacement
𝝎
=
𝝎
M
=
=
Angular velocity
Mass place on a spring
T
=
2𝛑 √
T
=
Period
√
𝐤
𝐌
𝐌
𝐤
2. Other than the type of force that produces it, what characterizes simple harmonic motion?
In simple harmonic motion force always toward the equilibrium point and force
proportional to the displacement.
3. A spring has a spring constant k=8.75 N/m. If the spring is displaced 0.150 m from its equilibrium position,
what is the force that the spring exerts? Show your work.
According to the hooke’s law,
F
=
F
=
F
=
-ky
8.75 × 0.150
1.31 N
4. A spring of constant k=11.75 N/m is hung vertically. A 0.500 kg mass is suspended from
the spring. What is the displacement of the end of the spring due to the weight of the 0.500
kg mass? Show your work.
According to the h...