What is KX equal to?
Mathematically, Hooke’s law states that the applied force F equals a constant k times the displacement or change in length x, or F = kx. The value of k depends not only on the kind of elastic material under consideration but also on its dimensions and shape.
What is half KX Square in spring?
Answer: w=(1/2) k x2. This work …… That means the stretched ( or compressed ) spring has energy potential energy . 1jaiz4 and 5 more users found this answer helpful.
Why is there a half in elastic potential energy?
An easy but not very satidsfactory methos is to say Work done =F * d but the force is not constant. We could use ‘the average force’. Now the force increases from zero to a maximum F it turns out that we can take the average force to be 1/2 F. So this is where the half comes from.
What is K in potential energy formula?
k = the spring constant, specific to the spring, with units N/m. Potential Energy: Elastic Formula Questions: 1) A spring, which has a spring constant k = 7.50 N/m, has been stretched 0.40 m from its equilibrium position.
What is extension measured in?
extension (e), or increase in length, is measured in metres (m)
What is D in W FD?
What is Work? … For one-way motion in one dimension, this is expressed in equation form as W = Fd cos θ, where W is work, F is the magnitude of the force on the system, d is the magnitude of the displacement of the system, and θ is the angle between the force vector F and the displacement vector d.
What is K and U in physics?
The work-energy theorem discussed in Chapter 7 relates the amount of work W to the change in the kinetic energy of the system. W = [Delta]K. The change in the potential energy of the system can now be related to the amount of work done on the system. [Delta]U = – [Delta]K = – W.
What does K mean in physics?
Boltzmann constant, (symbol k), a fundamental constant of physics occurring in nearly every statistical formulation of both classical and quantum physics. … The molar gas constant R is defined as Avogadro’s number times the Boltzmann constant.
What is K in Hooke’s Law?
Hooke’s Law is used to determined the restorative force or the amount of elasticity. Larger distortion would result in a larger force. Hooke’s Law is expressed in the equation F = – k(x), in which k is the spring constant and x is the displacement.
What is U and V in kinematics?
They are often referred to as the SUVAT equations, where “SUVAT” is an acronym from the variables: s = displacement, u = initial velocity, v = final velocity, a = acceleration, t = time.
Why is u used for velocity?
Is it not wrong?” Answer: actually we usually use u or U for voltage; look at the following equations. For velocity we usually use small v; look at the following equations. For volumes we usually use large V; look at the following equations.
What does U mean in science?
Uranium, a metallic chemical element. u, the unified atomic mass unit, used to express atomic and molecular masses.
What is U in physics class 9?
u is initial velocity. v is the final velocity. a is acceleration. t is the time period.
What does U mean in physics velocity?
Initial Velocity is the velocity at time interval t = 0 and it is represented by u. It is the velocity at which the motion starts.
Can we use vu?
we can use v=u+at when value of 3 things are given then only we can find the value of the 4th thing. we can use s=ut+1/2at^2 when value of 3 things are given then only we can find the value of 4th one.
What is Z in physics?
Z particle, massive electrically neutral carrier particle of the weak force that acts upon all known subatomic particles. It is the neutral partner of the electrically charged W particle. The Z particle has a mass of 91.19 gigaelectron volts (GeV; 109 eV), nearly 100 times that of the proton.
What is the curly W in physics?
(mathematics, set theory) The first (countably) infinite ordinal number, its corresponding cardinal number ℵ0 or the set of natural numbers (the latter of which are often defined to equal the former).
What is W called in physics?
Physics symbols in Mechanics:
|Physical Quantity||Symbol(s)||SI Unit|
|Mechanical Work||W||Joule (J)|