Energy In SHM
What types of energy are involved in SHM?
a) Kinetic and Potential
b) Kinetic and Elastic
c) Potential and Swing
a) Kinetic and Potential
Name a real-world example of SHM.
Any that work
What two forces act on a simple pendulum?
a) Tension and gravity
b) Potential and Kinetic
c) Elastic and Gravity
a) Tension and gravity
What is the restoring force proportional to in SHM?
a) Kinetic and Potential Energy
b) Displacement from equilibrium
c) Tension and Gravity
b) Displacement from equilibrium
What diet is Mr. Zeeman on?
Vegan
When is kinetic energy maximum during SHM?
a) Full Stretched
b) Semi Stretched
c) Equilibrium
c) Equilibrium
Why must a clock pendulum be kept at a constant length?
a) Because period depends on length — affects timekeeping
b) it gets unbalanced
c) it doesn't matter
a) Because period depends on length — affects timekeeping
Write the period formula for a simple pendulum.
a) x(t) = A cos(ωt + φ)
b)v(t) = -Aω sin(ωt + φ)
c) T= 2π rad of (L/g)
What type of graph best represents displacement vs. time in SHM?
a) A sine or cosine wave
b) Tangent wave
c) Regular slope generator
a) A sine or cosine wave
How many kids does Mr. Zeeman have?
2
A Spring with k = 200 N/m stores 2 J of energy. How far is it stretched
a) .121 m
b) .141 m
c) .131 m
b) .141 m
An engineer designs a suspension system modeled by SHM with period 1.5 seconds. What spring constant is needed for a 2000 kg car?
a) 3200 N/m
b) 3500 N/m
c) 3600 N/m
b) 3500 N/m
A 1.5 m pendulum is taken to the Moon where 𝑔=1.6 m/s 2 g=1.6 m/s 2. Find the new period.
a) 5.1 seconds
b) 6.2 seconds
c) 5.9 seconds
b) 6.2 seconds
If the acceleration of a particle is 𝑎= −(25)𝑥, what is its angular frequency 𝜔ω?
a) ω=5 rad/s
b) ω=4.5 rad/s
c) ω=4.7 rad/s
a) ω=5 rad/s
What are Mr. Zeeman's Kids names?
Names: Emerson and Oliver