Calculate Spring Constant and Force for Compression

In summary, the formula for calculating the spring constant is k = F/x. The force required to compress a spring can be calculated using the formula F = kx. The spring constant can change depending on various factors and is measured in Newtons per meter (N/m) in the SI system and pounds per inch (lb/in) in the imperial system. The spring constant and force for compression cannot be negative as they represent physical quantities.
  • #1
NewJersey
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0
A spring constant stores 25J of energy when compressed by 7.5cm
a) Find the spring constant
b) Find the force to compress the distance
 
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  • #2
For part (a), you'll need to know the equations to find the spring constant based off of the energy [E] that is exerted to move it the distance [x] it moves, which is also equal to its amplitude [A].

For (b), the force exerted can be found by using the spring constant value you found in (a) and muliplying it by the distance it is compressed.
[tex] F_{x} = - kx [/tex]
 
  • #3


a) The spring constant can be calculated using the formula k = E/x, where k is the spring constant, E is the energy stored and x is the distance compressed. Plugging in the given values, we get k = 25J/0.075m = 333.33 N/m.

b) The force required to compress the distance can be calculated using the formula F = kx, where F is the force, k is the spring constant and x is the distance compressed. Plugging in the values, we get F = 333.33 N/m * 0.075m = 25 N. Therefore, a force of 25 N is required to compress the spring by 7.5 cm.
 

What is the formula for calculating the spring constant?

The formula for calculating the spring constant is k = F/x, where k is the spring constant, F is the applied force, and x is the displacement of the spring from its equilibrium position.

How do you calculate the force required to compress a spring?

The force required to compress a spring can be calculated using the formula F = kx, where F is the applied force, k is the spring constant, and x is the displacement of the spring from its equilibrium position.

Can the spring constant change?

Yes, the spring constant can change. It depends on the material, size, and shape of the spring. It can also change if the spring is stretched or compressed beyond its elastic limit.

What units are used for the spring constant?

The units for the spring constant are Newtons per meter (N/m) in the SI system and pounds per inch (lb/in) in the imperial system.

Can the spring constant and force for compression be negative?

No, the spring constant and force for compression cannot be negative. These values represent physical quantities and cannot be negative. A negative value would indicate a force or displacement in the opposite direction.

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