Homework Answers
(a) energy stored is potential energy stored in spring
(b)force=-kx (- sign is there as direction of force is opposite to direction of displacement
(c)slope=k
so k=4/2=2 N/m
(d )work done=change in energy=0.5*2*(2^2-1^1)=3 J
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A spring is stretched by adding on different masses and the following Force Position graph is...
Questions 4 and 5 QUESTIONS: 1.Plot a graph of the force acting on the spring versus...
Questions 4 and 5
QUESTIONS: 1.Plot a graph of the force acting on the spring versus spring extension. 2. (a) Use the graph to calculate the spring constant including units. () Does the spring obey Hooke's Law over the range of applied forces used? Justify your response. (e) Write the equation for the spring which describes the relationship between extension and applied force to the spring. 3. (a) Use the spring equation to calculate the extension of the spring when...
3) Consider Hooke's Law: The force required to keep a spring in a compressed or stretched position x units from the spring's equilibrium position is F(x)-kr Calculate the work required, in jo...
3) Consider Hooke's Law: The force required to keep a spring in a compressed or stretched position x units from the spring's equilibrium position is F(x)-kr Calculate the work required, in joules, to stretch a spring 0.4 meters beyond its equilibrium position for each of the following scenarios. a) The spring requires 50 Newtons of force to hold it 0.1 m from its equilibrium position. b) The spring requires 2 Joules of work to stretch the spring 0.1 meter from...
You have two equal masses m1 and m2 and a spring with a spring constant k....
You have two equal masses m1 and m2 and a
spring with a spring constant k. The mass m1 is
connected to the spring and placed on a frictionless horizontal
surface at the relaxed position of the spring. You then hang mass
m2, connected to mass m1 by a
massless cord, over a pulley at the edge of the horizontal surface.
When the entire system comes to rest in the equilibrium position,
the spring is stretched an amount d1 as shown...
Below is a graph showing the magnitude of a spring force for different stretched distances. What...
Below is a graph showing the magnitude of a spring force for different stretched distances. What is the spring constant of the spring? N/m If you hang a 28.5 N weight on the spring, how far will it stretch before coming to rest? M
A spring with a force constant k = 2.2x10^2 N/m is stretched by a person. The...
A spring with a force constant k = 2.2x10^2 N/m is stretched by
a person. The person pulls on the spring with a final applied force
of F_app = 44 N at equilibrium (no motion). How much work was done
by the person in the process?
A spring with a force constant k = 2.2x10^2 N/m is stretched by a person. The person pulls on the spring with a final applied force of F_app = 44 N at equilibrium (no...
SPRING +0000000 x=0 +AX 6.5 When a spring is stretched or compressed from its equilibrium position...
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The following graph was obtained by slowly adding mass to a freely hanging spring. From this...
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Consider the force-displacement graph for a spring shown. Determine the spring constant, the potential energy stored...
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Problem 12: (10 points) PS 7-71: A spring with spring constant k is stretched a distance...
Problem 12: (10 points) PS 7-71: A spring with spring constant k is stretched a distance x and hooked onto a block of wood of mass m, which sits on a lab table. Then you release the block. The kinetic friction force between the block and the lab table is F equilibrium length? (VS) length? (Vs) initial stretch of x 65 cm, and a constant friction force Fi 2.4 N. (a) What is the initial elastic potential energy stored in...
Question 3 (1 point) A spring with a force constant k = 2.2x10^2 N/m is stretched...
Question 3 (1 point) A spring with a force constant k = 2.2x10^2 N/m is stretched by a person. The person pulls on the spring with a final applied force of F_app = 44 N at equilibrium (no motion). How much work was done by the person in the process? O 4.4) 9.7x10^3) O 44J none of these 0975
Questions 4 and 5
QUESTIONS: 1.Plot a graph of the force acting on the spring versus spring extension. 2. (a) Use the graph to calculate the spring constant including units. () Does the spring obey Hooke's Law over the range of applied forces used? Justify your response. (e) Write the equation for the spring which describes the relationship between extension and applied force to the spring. 3. (a) Use the spring equation to calculate the extension of the spring when...
3) Consider Hooke's Law: The force required to keep a spring in a compressed or stretched position x units from the spring's equilibrium position is F(x)-kr Calculate the work required, in joules, to stretch a spring 0.4 meters beyond its equilibrium position for each of the following scenarios. a) The spring requires 50 Newtons of force to hold it 0.1 m from its equilibrium position. b) The spring requires 2 Joules of work to stretch the spring 0.1 meter from...
You have two equal masses m1 and m2 and a
spring with a spring constant k. The mass m1 is
connected to the spring and placed on a frictionless horizontal
surface at the relaxed position of the spring. You then hang mass
m2, connected to mass m1 by a
massless cord, over a pulley at the edge of the horizontal surface.
When the entire system comes to rest in the equilibrium position,
the spring is stretched an amount d1 as shown...
Below is a graph showing the magnitude of a spring force for different stretched distances. What is the spring constant of the spring? N/m If you hang a 28.5 N weight on the spring, how far will it stretch before coming to rest? M
A spring with a force constant k = 2.2x10^2 N/m is stretched by
a person. The person pulls on the spring with a final applied force
of F_app = 44 N at equilibrium (no motion). How much work was done
by the person in the process?
A spring with a force constant k = 2.2x10^2 N/m is stretched by a person. The person pulls on the spring with a final applied force of F_app = 44 N at equilibrium (no...
SPRING +0000000 x=0 +AX 6.5 When a spring is stretched or compressed from its equilibrium position by an amount Ar it exerts a force given by F =-kar. The - sign indicates that this force is in the opposite direction of Ar and is oriented to restore the spring to its e k is a proportionality constant called the spring constant or the force constant and is related to the stiffness of the spring. A. Draw a force vs displacement...
The following graph was obtained by slowly adding mass to a freely hanging spring. From this chart plot a graph of weight vs delta y, In standard SI units Then calculate the Spring Constant of the spring from that graph Show work on the graph itself The following chart was obtained during a Simple Harmonic Motion experiment using the same spring as used In Part 1 of the experiment. The times are when the spring was at its max positive...
Consider the force-displacement graph for a spring shown. Determine the spring constant, the potential energy stored when the spring is stretched from x = 0 to x = 4.0 cm. the change in the potential energy stored in stretching the spring from x = 1.0 cm to x = 4.0 cm. A cart having a mass M = 180 g on a friction free horizontal surface is accelerated from rest by the launching spring of problem 2. What is the...
Problem 12: (10 points) PS 7-71: A spring with spring constant k is stretched a distance x and hooked onto a block of wood of mass m, which sits on a lab table. Then you release the block. The kinetic friction force between the block and the lab table is F equilibrium length? (VS) length? (Vs) initial stretch of x 65 cm, and a constant friction force Fi 2.4 N. (a) What is the initial elastic potential energy stored in...
Question 3 (1 point) A spring with a force constant k = 2.2x10^2 N/m is stretched by a person. The person pulls on the spring with a final applied force of F_app = 44 N at equilibrium (no motion). How much work was done by the person in the process? O 4.4) 9.7x10^3) O 44J none of these 0975
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