ttached is the image of the system, as well as the question. The equations are my derivations from the system. Please answer letters a-e at the bottom

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...
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Attached is the image of the system, as well as the question. The equations are my derivations from the system. Please answer letters a-e at the bottom

36. What are the general equations for the kinetic energy of a moving mass, the gravitational
potential energy of a stretched spring, and the gravitational potential energy of mass raised a
distance above some zero height?
KE = }mv²
U = }kx²
U = mgh
Define y, Yo: Vı, m;, and m, , the same as before. Choose the zero gravitational potential energy for
each mass to be at the position it is at when the spring is unstretched(when y=0)
2m,g
y
2mg
Yo
k
- ky
ky,-m;g
• a
a. Write an expression for the total potential energy of the system when the spring is stretched an
amount y.
b. Substitute in y =yo -}; to the expression from letter a.
c. Expand all of the terms.
d. Substitute in the expression for y.
e. Simplify the expression for mechanical energy.
Transcribed Image Text:36. What are the general equations for the kinetic energy of a moving mass, the gravitational potential energy of a stretched spring, and the gravitational potential energy of mass raised a distance above some zero height? KE = }mv² U = }kx² U = mgh Define y, Yo: Vı, m;, and m, , the same as before. Choose the zero gravitational potential energy for each mass to be at the position it is at when the spring is unstretched(when y=0) 2m,g y 2mg Yo k - ky ky,-m;g • a a. Write an expression for the total potential energy of the system when the spring is stretched an amount y. b. Substitute in y =yo -}; to the expression from letter a. c. Expand all of the terms. d. Substitute in the expression for y. e. Simplify the expression for mechanical energy.
k
m.
force
(reads zero
| sensor at equilibrium)
position of mass
when spring is
unstretched
position of cart Yo
when spring is
equilibrium
position
of cart
ym
unstretched
current Yo
position
of mass
current
position
of cart
equilibrium
position
nf mass
Transcribed Image Text:k m. force (reads zero | sensor at equilibrium) position of mass when spring is unstretched position of cart Yo when spring is equilibrium position of cart ym unstretched current Yo position of mass current position of cart equilibrium position nf mass
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